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**UNITED        STATES**

**SECURITIES        AND EXCHANGE COMMISSION**

**Washington,        D.C. 20549**

**FORM        40-F**

| o      | **REGISTRATION                  STATEMENT PURSUANT TO SECTION 12 OF THE SECURITIES EXCHANGE ACT                  OF                  1934**                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     |                                            |
|--------|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|-------------------------------------------------|
|   |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            |                                            |   |
|   | **OR**                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          |                                            |
|   |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            |                                            |   |
| x      | **ANNUAL                REPORT PURSUANT TO SECTION 13(A) OR 15(D) OF THE SECURITIES                EXCHANGE ACT OF 1934**                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       |                                            |
|   |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            |                                            |   |
|   | For                  the fiscal year ended December 31, 2005                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    | Commission                  File Number 1-15150 |   |
|   |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            |                                            |   |
|   | **ENERPLUS                  RESOURCES FUND**                   (Exact                  name of Registrant as specified in its charter) **Alberta,                  Canada**(Province                  or other jurisdiction of incorporation or organization) **1311**(Primary                  Standard Industrial Classification Code Number (if                  applicable)) **N/A**(I.R.S.                  Employer Identification Number (if applicable)) **The                  Dome Tower, 3000, 333 - 7****th****Avenue S.W.****Calgary,                  Alberta, Canada T2P 2Z1****(403)                  298-2200**(Address                  and telephone number of Registrant's principal executive                  offices) **CT                  Corporation System****111                  Eighth Avenue, 13****th****Floor****New                  York, New York 10011****(212)                  894-8940**(Name,                  address (including zip code) and telephone number (including area                  code)of                  agent for service in the United States)  |                                            |
|   |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            |                                            |
|   | Securities                registered or to be registered pursuant to Section 12(b) of the                Act:                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   |                                            |

|   | Title                of each class                                                                                                                                                                                                                                                                                                                                                                                           |   | Name                of each exchange on which registered |   |
|--------|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|--------|----------------------------------------------------------|--------|
|   | Trust Units                                                                                                                                                                                                                                                                                                                                                                                                                  |   | Toronto Stock Exchange                                   |   |
|   |                                                                                                                                                                                                                                                                                                                                                                                                                         |   | The New York Stock Exchange                              |   |
|   |                                                                                                                                                                                                                                                                                                                                                                                                                         |   |                                                     |   |
|   | Securities                  registered or to be registered pursuant to Section 12(g) of the                  Act:                  NoneSecurities                  for which there is a reporting obligation pursuant to Section 15(d)                  of the                  Act: NoneFor                  annual reports, indicate by check mark the information filed with                  this                  Form: |   |

| **x **Annual                  information form | **x** Audited                  annual                  financial statements |
|-----------------------------------------------------|----------------------------------------------------------------------------------|

|   | Indicate                  the number of outstanding shares of each of the issuer's classes                  of                  capital or common stock as of the close of the period covered by                  the                  annual report. 117,539,331                  Trust Units Indicate                  by check mark whether the Registrant by filing the information                  contained                  in this Form is also thereby furnishing the information to the                  Commission                  pursuant to Rule 12g3-2(b) under the Securities Exchange Act of                  1934 (the                  "Exchange Act"). If "Yes" is marked, indicate the filing number                  assigned                  to the Registrant in connection with such Rule. |   |
|--------|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|--------|

| Yes                  o | No                  **x** |
|------------------------|---------------------------|

|   | Indicate by check mark whether the                Registrant                (1) has filed all reports required to be filed by Section 13 or 15(d)                of                the Exchange Act during the preceding 12 months (or for such shorter                period that the Registrant was required to file such reports) and                (2) has                been subject to such filing requirements for the past 90 days. |   |
|--------|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|--------|

| Yes                  **x** | No                  o |
|----------------------------|-----------------------|

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**FORWARD-LOOKING        STATEMENTS**

**ANNUAL        INFORMATION FORM, AUDITED ANNUAL CONSOLIDATED **

**FINANCIAL        STATEMENTS AND MANAGEMENT'S DISCUSSION AND ANALYSIS**

**A.    **
**Annual        Information Form**

**B.    **
**Audited        Annual Consolidated Financial Statements**

**C.    **
**Management's        Discussion and Analysis**

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**DISCLOSURE        REGARDING CONTROLS AND PROCEDURES**

**A.    **
**Evaluation        of Disclosure Controls and Procedures**

**B.    **
**Changes        in Internal Control over Financing Reporting**

**NOTICES        PURSUANT TO REGULATION BTR**

**AUDIT        COMMITTEE FINANCIAL EXPERT**

**CODE        OF ETHICS**

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**PRINCIPAL        ACCOUNTANT FEES AND SERVICES AND **

**PRE-APPROVAL        POLICIES AND PROCEDURES**

|                                   |   | 2005                       |    | 2004   |   |
|----------------------------------------|--------|----------------------------|---------|--------|--------|
|                                   |   | (in                  Cdn$) |    |
| Audit                  fees(1)         |   | $                          | 409,200 |   | $      | 338,700 |   |
| Audit-related                  fees(2) |   |                       | -       |   |   | - |   |
| Tax                  fees(3)           |   |                       | 138,500 |   |   | 19,900 |   |
| All                  other fees(4)     |   |                       | -       |   |   | - |   |
| Total                                  |   | $                          | 547,700 |   | $      | 358,600 |   |

**________________**

| (1) | Audit                  fees were for professional services rendered by Deloitte & Touche LLP                  for the audit of the Registrant's annual financial statements and                  reviews                  of the Registrant's quarterly financial statements, as well as                  services                  provided in connection with statutory and regulatory filings or                  engagements. |
|-----|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

| (2) | Audit-related                  fees were for assurance and related services reasonably related                  to the                  performance of the audit or review of the Registrant's financial                  statements and not reported under "Audit Fees"                  above. |
|-----|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

| (3) | Tax                  fees were for tax compliance, tax advice and tax planning. The                  fees were                  for services performed by Deloitte & Touche LLP's tax division except                  those tax services related to the audit. |
|-----|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

| (4) | All                  other fees are fees for products and services provided by Deloitte&                  Touche LLP other than those described as "Audit fees", "Audit-related                  fees" and "Tax fees". |
|-----|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

**OFF-BALANCE        SHEET ARRANGEMENTS**

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**TABULAR        DISCLOSURE OF CONTRACTUAL OBLIGATIONS**

|                                           |   | Payments                  due by period(in                  Cdn$ thousands) |    |
|------------------------------------------------|--------|-----------------------------------------------------------------------------|---------|
| ***Contractual                  Obligations*** |   | **Total**                                                                   |    | 2006 |   | 2007                  to 2008 |   | 2009                  to 2010 |   | 2011                  + |   |
| Bank                  credit facility          |   | $                                                                           | 328,632 | (1) | $ | - |   | $ | 328,632 |   | $ | - |   | $ | - |   |
| Senior                  unsecured notes        |   |                                                                        | 331,286 | (1) |   | - |   |   | - |   |   | 53,666 |   |   | 277,620 |   |
| Pipeline                  commitments          |   |                                                                        | 33,956  |   |   | 6,026 |   |   | 11,539 |   |   | 5,396 |   |   | 10,995 |   |
| Office                  lease                  |   |                                                                        | 23,373  |   |   | 5,680 |   |   | 11,373 |   |   | 6,270 |   |   | 50 |   |
| Total commitments                         |   | $                                                                           | 717,247 |   | $ | 11,706 |   | $ | 351,544 |   | $ | 65,332 |   | $ | 288,665 |   |

**Note:**

**IDENTIFICATION        OF THE AUDIT COMMITTEE**

*ex        officio*

**COMPLIANCE        WITH NYSE CORPORATE GOVERNANCE RULES**

** **

**UNDERTAKING        AND CONSENT TO SERVICE OF PROCESS**

**A.    **
**Undertaking**

**B.    **
**Consent        to Service of Process**

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**SIGNATURES**

|         |                                                  |                                                  |
|--------------|-------------------------------------------------------|-------------------------------------------------------|
|         | ENERPLUS                RESOURCES                FUND |
|         | By EnerMark Inc.                                      |
|    |                                             |                                             |
|         | By:                                         | /s/ Gordon                J.                Kerr |
|         |                                                       |
|         | Gordon                J. Kerr                         |
|         | President and Chief Executive                Officer  |

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**EXHIBIT        INDEX**

| 99.1.  |   | Annual Information Form for the year                ended                December 31, 2005 dated March 7, 2006.                                                                                                    |
|--------|--------|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
|   |   |                                                                                                                                                                                                               |
| 99.2.  |   | Audited annual consolidated financial                statements for the year ended December 31, 2005.                                                                                                              |
|   |   |                                                                                                                                                                                                               |
| 99.3.  |   | Management's Discussion and Analysis                for the                year ended December 31, 2005.                                                                                                           |
|   |   |                                                                                                                                                                                                               |
| 99.4.  |   | Comments by Independent Registered                Chartered                Accountants on Canada - United States of America Reporting                Differences.                                                  |
|   |   |                                                                                                                                                                                                               |
| 99.5.  |   | Consent of Independent Registered                Chartered                Accountants.                                                                                                                             |
|   |   |                                                                                                                                                                                                               |
| 99.6.  |   | Consent of Sproule Associates                Limited.                                                                                                                                                              |
|   |   |                                                                                                                                                                                                               |
| 99.7.  |   | Consent of GLJ Petroleum Consultants                Ltd.                                                                                                                                                           |
|   |   |                                                                                                                                                                                                               |
| 99.8.  |   | Consent of DeGolyer and                MacNaughton.                                                                                                                                                                |
|   |   |                                                                                                                                                                                                               |
| 99.9.  |   | Certification of the Chief Executive                Officer                pursuant to Rule 13a-14(a) or Rule 15d-14(a) of the Securities Exchange                Act of 1934.                                     |
|   |   |                                                                                                                                                                                                               |
| 99.10. |   | Certification of the Chief Financial                Officer                pursuant to Rule 13a-14(a) or Rule 15d-14(a) of the Securities Exchange                Act of 1934.                                     |
|   |   |                                                                                                                                                                                                               |
| 99.11. |   | Certification of the Chief Executive                Officer                pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section                906 of                the Sarbanes-Oxley Act of 2002. |
|   |   |                                                                                                                                                                                                               |
| 99.12. |   | Certification of the Chief Financial                Officer                pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section                906 of                the Sarbanes-Oxley Act of 2002. |