### 54928 Federal Register / Vol. 76, No. 172 / Tuesday, September 6, 2011 / Rules and Regulations

propeller hub for cracks within the compliance time specified in Table 1 of this AD. Use Appendix A or Appendix D of the applicable Dowty Alert Service Bulletin (SB) listed in Table 1 of this AD to do the inspection.



### TABLE 

### 1—A PPLICABLE 

### A LERT 

### SB FOR 

### P ROPELLER 

### TYPE

Propeller assembly type Initial inspection within . . . Repeat inspection within . . . Applicable SB

(1) R334/4–82–F/13 10 flight hours (FH) time-in-service (TIS) after the effective date of this AD. 300 FH time-since-last-inspection (TSLI) or 300 flight cycles-since-last inspection, whichever occurs sooner. Alert SB No. 61–1119, Revision 5, dated July 1, 2009.

(2) R321/4–82–F/8 .. 50 FH TIS after the effective date of this AD. 1,000 FH TSLI ...................................... Alert SB No. 61–A1125, Revision 2, dated August 25, 2010. (3) R324/4–82–F/9 .. 50 FH TIS after the effective date of this AD. 1,000 FH TSLI ...................................... Alert SB No. 61–A1126, Revision 2, dated August 25, 2010. (4) R333/4–82–F/12 50 FH TIS after the effective date of this AD. 1,000 FH TSLI ...................................... Alert SB No. 61–A1124, Revision 2, dated August 25, 2010.

(g) For hubs and propellers in storage, perform an initial ultrasonic inspection of the rear wall of the rear half of the propeller hub for cracks, before placing in service. Use Appendix A or Appendix D of the applicable Dowty Alert SB listed in Table 1 of this AD to do the inspection.
Initial Inspection—Previous Credit

(h) Propeller hubs, P/N 660709201, that previously passed inspection using Dowty Alert SBs listed in Table 1 of this AD or an earlier issue of those SBs, have satisfied the initial inspection requirements of this AD. However, you must comply with the repetitive inspection requirements found in this AD.
Repetitive Ultrasonic Inspections

(i) Thereafter, perform a repetitive ultrasonic inspection of the rear wall of the rear half of the propeller hub for cracks within the compliance time specified in Table 1 of this AD. Use Appendix A or Appendix D of the applicable Dowty Alert SB listed in Table 1 of this AD to do the inspection. Optional Terminating Action

(j) As optional terminating action for the repetitive inspections required by this AD, replace propeller hub, P/N 660709201, with a new propeller hub, P/N 660717226.
Alternative Methods of Compliance (AMOCs)

(k) The Manager, Boston Certification Office, has the authority to approve AMOCs for this AD if requested using the procedures found in 14 CFR 39.19.

Related Information

(l) For more information about this AD, contact Michael Schwetz, Aerospace Engineer, Boston Aircraft Certification Office, FAA, 12 New England Executive Park, Burlington, MA 01803; phone: 781–238– 7761; fax: 781–238–7170; e-mail: michael.schwetz@faa.gov.

(m) European Aviation Safety Agency 2010–0196R1, dated November 12, 2010, pertains to the subject of this AD.
Material Incorporated by Reference (IBR)

(n) You must use the following service information to do the actions required by this AD, unless the AD specifies otherwise. The Director of the Federal Register approved the incorporation by reference (IBR) under 5 U.S.C. 552(a) and 1 CFR part 51 of the following service information on the date specified:

(1) Dowty Propellers Alert SB No. 61–1119, Revision 5, dated July 1, 2009, approved for IBR as of October 11, 2011.

(2) Dowty Propellers Alert SB No. 61– A1124, Revision 2, dated August 25, 2010, approved for IBR as of October 11, 2011.

(3) Dowty Propellers Alert SB No. 61– A1125, Revision 2, dated August 25, 2010, approved for IBR as of October 11, 2011.

(4) Dowty Propellers Alert SB No. 61– A1126, Revision 2, dated August 25, 2010, approved for IBR as of October 11, 2011.

(5) For service information identified in this AD, contact Dowty Propellers, Anson Business Park, Cheltenham Road East, Gloucester GL 29QN, UK; phone: 44 (0) 1452 716000; fax: 44 (0) 1452 716001.

(6) You may review copies of the service information at the FAA, Engine & Propeller Directorate, 12 New England Executive Park, Burlington, MA. For information on the availability of this material at the FAA, call

781–238–7125.

(7) You may also review copies of the service information that is incorporated by reference at the National Archives and Records Administration (NARA). For information on the availability of this material at an NARA facility, call 202–741– 6030, or go to http://www.archives.gov/ federal

_register/code

_ of

_ federal

_regulations/ ibr

_locations.html. Issued in Burlington, Massachusetts, on August 15, 2011. Peter A. White, Manager, Engine & Propeller Directorate, Aircraft Certification Service.

[FR Doc. 2011–22566 Filed 9–2–11; 8:45 am]

**BILLING CODE 4910–13–P DEPARTMENT OF COMMERCE** 

**Bureau of Industry and Security**

**15 CFR Parts 738, 740, 745, and 748**

**[Docket No. 110802457–1467–01]**

**RIN 0694–AF18**

**Export Administration Regulations: Netherlands Antilles, Curac** 

** ̧ ao, Sint**  **Maarten and Timor-Leste**

**AGENCY :**  Bureau of Industry and Security, Commerce.

**ACTION :**  Final rule.

**SUMMARY :**  The Netherlands Antilles dissolved on October 10, 2010. This rule removes the Netherlands Antilles from all places where it is mentioned in the Export Administration Regulations (EAR), e.g., the Commerce Country Chart, the Country Groups, and License Exception APP. Curac

 ̧ ao and Sint Maarten (the Dutch two-fifths of theisland of Saint Martin) became semiautonomous entities within the Kingdom of the Netherlands. Therefore, Curac

 ̧ ao and Sint Maarten are added to the Commerce Country Chart.

The territories and dependencies of a country are treated as the parent country under the EAR. Bonaire, Saba, and Sint Eustatius now fall under the direct administration of the Netherlands. Therefore, these dependencies are treated like the Netherlands and will not be listed on the Commerce Country Chart.

This rule also revises the name ‘‘East Timor’’ to read ‘‘Timor-Leste’’ throughout the EAR, because this is the proper name of the country.

**DATES :**  Effective Date: This rule is effective: September 6, 2011.

**FOR FURTHER INFORMATION CONTACT :**  For questions contact Sharron Cook, Office of Exporter Services, Bureau of Industry and Security, U.S. Department of Commerce at 202–482–2440 or by e-mail: Sharron.Cook@bis.doc.gov.


### 54929 Federal Register / Vol. 76, No. 172 / Tuesday, September 6, 2011 / Rules and Regulations

**SUPPLEMENTARY INFORMATION :**  Background

The Netherlands Antilles, consisting of Curacao, Sint Maarten, Bonaire, Saba, and Sint Eustatius, dissolved on October 10, 2010. Curac

 ̧ ao and Sint Maarten (the Dutch two-fifths of the island of Saint Martin) became semi-autonomous entities within the Kingdom of the Netherlands. Bonaire, Saba, and Sint Eustatius now fall under the direct administration of the Netherlands. In addition, BIS has recognized that the country previously referred to in the Commerce Country Chart as ‘‘East Timor’’ should instead be referred to byits proper name, which is ‘‘TimorLeste.’’ Revisions to the Export Administration Regulations (EAR)

This rule corrects the third sentence in Section 738.3 paragraph (b) removing the phrase ‘‘territory, possession, or department’’ and adding in its place ‘‘territory, possession, dependency or department’’ in two places. The Commerce Country Chart (Supplement No. 1 to part 738) generally does not list territories, possessions, dependencies or departments of countries, because they are treated the same as the parent country for export control purposes. The State Department has a Web site that lists ‘‘Dependencies and Areas of Special Sovereignty’’ at http:// www.state.gov/s/inr/rls/10543.htm.

This rule removes the Netherlands Antilles from the Commerce Country Chart (Supplement No. 1 to part 738 of the EAR), because it has dissolved and all the territories and dependencies previously under the Netherlands Antilles, except Curac

 ̧ ao and Sint Maarten (the Dutch two-fifths of the island of Saint Martin), are now treated in the same manner as the parent country—the Netherlands. Curac

 ̧ ao and Sint Maarten (the Dutch two-fifths of theisland of Saint Martin) became semiautonomous entities within the Kingdom of the Netherlands. Therefore, Curac

 ̧ ao and Sint Maarten (the Dutch two-fifths of the island of Saint Martin) are added to the Commerce Country Chart with license requirements (Xs) that are the same as the license requirements were for the Netherlands Antilles. In addition, this rule replaces the country name of ‘‘East Timor’’ with the proper name of ‘‘Timor-Leste’’ in the Commerce Country Chart and moves the resulting row to its appropriate alphabetic location.

This rule also removes the Netherlands Antilles from the list of countries in Computer Tier 1 of License Exception APP in Section 740.7(c)(1). There is no change in eligibility for exports or reexports to Bonaire, Saba, and Sint Eustatius of computers under License Exception APP, because the Netherlands is already in Computer Tier 1. However, there is expanded eligibility for exports and reexports to Bonaire, Saba, and Sint Eustatius of computer technology and software under License Exception APP, because the Netherlands is listed in Section 740.7(c)(3)(i) of License Exception APP. Curac

 ̧ ao and Sint Maarten (the Dutch two-fifths of the island of Saint Martin) are added to Computer Tier 1 of License Exception APP. In addition, this rule replaces the country name of ‘‘East Timor’’ with the proper name of ‘‘Timor-Leste’’ in Section 740.7(c)(1) and moves it to its new alphabetic location in Computer Tier 1.

This rule also makes changes to the Country Groups in Supplement No. 1 to part 740. A country may appear in one or more of the Country Groups, or not at all, depending upon, among other things, its affiliation or membership in a multilateral export control regime. This rule removes the Netherlands Antilles from the list of countries in Country Group B of the Country Groups (Supplement No. 1 to part 740), and adds Curac

 ̧ ao and Sint Maarten (the Dutch two-fifths of the island of Saint Martin) to Country Group B. The Netherlands is listed in Country Group B, and therefore this revision does not alter the export controls or exemptions that apply to Bonaire, Saba, and Sint Eustatius. However, the Netherlands is also listed in Country Group A and therefore all exemptions, e.g., License Exceptions APR and GOV, that apply to the Netherlands now apply to its dependencies, territories and possessions. Additionally, this rule removes ‘‘East Timor’’ and adds in its place ‘‘Timor-Leste’’ in alphabetic order in the list of countries of Country Group B. This rule revises Supplement No. 2 to part 745 ‘‘States Parties to the Convention on the Prohibition of the Development, Production, Stockpiling, and use of Chemical Weapons and on Their Destruction’’ by removing ‘‘Timor Leste (East Timor)’’ and adding in its place ‘‘Timor-Leste’’. This rule also removes ‘‘Netherlands **’’ and adds in its place ‘‘Netherlands (Kingdom of the) **’’ for clarification purposes and because of the recent changes to these entities. In addition, this rule removes the phrase ‘‘the Netherlands includes Aruba and the Netherlands Antilles.’’ in the two asterisk footnote and adds in its place ‘‘the Netherlands (Kingdom of) includes the following dependencies: Aruba, Curac

 ̧ ao, and Sint Maarten (the Dutch two-fifths of the island of Saint Martin).’’

This rule revises paragraph (a)(1) of Section 748.9 ‘‘Support documents for license applications’’ by removing ‘‘Netherlands Antilles’’ and adding ‘‘Leeward Antilles’’. This change will maintain the support document exemption for Aruba, Bonaire and Curac

 ̧ ao, and add a support document exemption for the Venezuelan archipelago. The Leeward Antilles consists of:
ABC islands:

Aruba (Kingdom of the Netherlands), Bonaire (Kingdom of the

Netherlands), Curac

 ̧ ao (Kingdom of the Netherlands). Venezuelan archipelago:

Las Aves, Los Roques, La Orchilla, La Blanquilla, Los Hermanos, Los Testigos. The support documentation exemption for Saba, Sint Eustatius and Sint Maarten will continue as they are part of the Leeward Islands, which is already listed in Section 748.9(a)(1). Export Administration Act

Since August 21, 2001, the Export Administration Act of 1979, as amended, has been in lapse. However, the President, through Executive Order 13222 of August 17, 2001 (3 CFR, 2001 Comp. 783 (2002)), which has been extended by successive Presidential Notices, the most recent being that of August 12, 2010, 75 FR 50681 (August 16, 2010) has continued the EAR in effect under the International Emergency Economic Powers Act (50 U.S.C. 1701 et seq. ). Rulemaking Requirements

1. Executive Orders 13563 and 12866 direct agencies to assess all costs and benefits of available regulatory alternatives and, if regulation is necessary, to select regulatory approaches that maximize net benefits (including potential economic, environmental, public health and safety effects, distributive impacts, and equity). Executive Order 13563 emphasizes the importance of quantifying both costs and benefits, of reducing costs, of harmonizing rules, and of promoting flexibility. This rule has been designated a ‘‘not significant regulatory action,’’ under section 3(f) of Executive Order 12866.

2. Notwithstanding any other provision of law, no person is required to respond to, nor shall any person be


### 54930 Federal Register / Vol. 76, No. 172 / Tuesday, September 6, 2011 / Rules and Regulations

subject to a penalty for failure to comply with a collection of information, subject to the requirements of Paperwork Reduction Act, unless that collection of information displays a currently valid Office of Management and Budget Control Number. This rule involves three collections of information subject to the PRA. One of the collections has been approved by OMB under control number 0694–0088, ‘‘Multi-Purpose Application,’’ and carries a burden hour estimate of 43.8 minutes for a manual or electronic submission. The second of the collections has been approved by OMB under control number 0694–0017, ‘‘International Import Certificate,’’ and carries a burden hour estimate of 15 minutes for a manual or electronic submission. The last of the collections has been approved by OMB under control number 0694–0021, ‘‘Statement by Ultimate Consignee and Purchaser,’’ and carries a burden hour estimate of 15 minutes for a manual or electronic submission Send comments regarding these burden estimates or any other aspect of these collections of information, including suggestions for reducing the burden, to OMB Desk Officer, New Executive Office Building, Washington, DC 20503; and to Jasmeet Seehra, OMB Desk Officer, by e-mail at Jasmeet

_K.

_Seehra@omb.eop.gov or by fax to (202) 395–7285; and to the Office of Administration, Bureau of Industry and Security, Department of Commerce, 14th and Pennsylvania Avenue, NW., Room 6622, Washington, DC 20230. This rule does not contain policies with Federalism implications as that term is defined under E.O. 13132. 3. The Department finds that there is good cause under 5 U.S.C. 553(b)(B) to waive the provisions of the Administrative Procedure Act requiring prior notice and the opportunity for public comment because it is unnecessary. The revisions made by this rule are administrative in nature and minimally affect the rights and obligations of the public. Because these revisions are not substantive changes to the EAR, it is unnecessary to provide notice and opportunity for public comment. In addition, the 30-day delay in effectiveness required by 5 U.S.C. 553(d) is not applicable because this rule is not a substantive rule. Notice of proposed rulemaking and opportunity for public comment are not required for this rule under the Administrative Procedure Act or by any other law, and the analytical requirements of the Regulatory Flexibility Act (5 U.S.C 601 et seq. ) are not applicable. List of Subjects

15 CFR Part 738

Exports.

15 CFR Parts 740 and 748

Administrative practice and procedure, Exports, Reporting and recordkeeping requirements.

15 CFR Part 745

Administrative practice and procedure, Chemicals, Exports, Foreign trade, Reporting and recordkeeping requirements.

Accordingly, parts 738, 740, 745, and 748 of the Export Administration Regulations (15 CFR Parts 730 through 774) are amended as follows:

**PART 738—[AMENDED]**

■ 1. The authority citation for 15 CFR part 738 is revised to read as follows:

Authority: 50 U.S.C. app. 2401 et seq.; 50 U.S.C. 1701 et seq.; 10 U.S.C. 7420; 10 U.S.C. 7430(e); 22 U.S.C. 287c; 22 U.S.C. 3201 et
seq.; 22 U.S.C. 6004; 30 U.S.C. 185(s), 185(u); 42 U.S.C. 2139a; 42 U.S.C. 6212; 43 U.S.C. 1354; 15 U.S.C. 1824a; 50 U.S.C. app. 5; 22 U.S.C. 7201 et seq.; 22 U.S.C. 7210; E.O. 13026, 61 FR 58767, 3 CFR, 1996 Comp., p. 228; E.O. 13222, 66 FR 44025, 3 CFR, 2001 Comp., p. 783; Notice of August 12, 2011, 76 FR 50661 (August 16, 2011).

**§ 738.3 [Amended]**

■ 2. Section 738.3 is amended by removing the phrase ‘‘territory, possession, or department’’ and adding in its place ‘‘territory, possession, dependency or department’’ in two places in the third sentence of paragraph (b).

■ 3. Supplement No. 1 to part 738 is amended by:

■ a. Adding in alphabetic order rows for ‘‘Curac

 ̧ ao’’ and ‘‘Sint Maarten (the Dutch two-fifths of the island of Saint Martin)’’, as set forth below:

■ b. Removing the row for ‘‘Netherlands Antilles’’; and

■ c. Removing the country name ‘‘Timor East’’ and adding (in alphabetic order) in its place ‘‘Timor-Leste’’

SUPPLEMENT NO. 1 TO PART 738— COMMERCE COUNTRY CHART



### R EASON FOR 

### C ONTROL

Countries Chemical & biological weapons Nuclear nonproliferation National security Missile tech Regional stability Firearms convention Crime control Antiterrorism

CB 1 CB 2 CB 3 NP 1 NP 2 NS 1 NS 2 MT 1 RS 1 RS 2 FC 1 CC 1 CC 2 CC 3 AT 1 AT 2

******* Curac

 ̧ ao ........................................................ X X ........ X .......... X X X X X .................. X ..... X ........

........

*******Sint Maarten (the Dutch two-fifths of the island of Saint Martin) ................................. X X ........ X .......... X X X X X .................. X ..... X ........ ....

....

*******

**PART 740—[AMENDED]**

■ 4. The authority citation for 15 CFR part 740 is revised to read as follows:

Authority: 50 U.S.C. app. 2401 et seq.; 50 U.S.C. 1701 et seq.; 22 U.S.C. 7201 et seq.; E.O. 13026, 61 FR 58767, 3 CFR, 1996 Comp., p. 228; E.O. 13222, 66 FR 44025, 3 CFR, 2001 Comp., p. 783; Notice of August 12, 2011, 76 FR 50661 (August 16, 2011).

**§ 740.7 [Amended]**

■ 5. Section 740.7 is amended by: ■ a. Removing ‘‘Netherlands Antilles’’ from the list of countries in paragraph (c)(1);


### 54931 Federal Register / Vol. 76, No. 172 / Tuesday, September 6, 2011 / Rules and Regulations

■ b. Adding in alphabetic order ‘‘Curac

 ̧ ao’’ and ‘‘Sint Maarten (the Dutch two-fifths of the island of Saint Martin)’’ to paragraph (c)(1);

■ c. Removing ‘‘East Timor’’ and adding ‘‘Timor-Leste’’ in alphabetic order to paragraph (c)(1). Supplement No. 1 to Part 740 [Amended]

■ 6. Supplement No. 1 to part 740 is amended by:

■ a. Removing ‘‘Netherlands Antilles’’ from the list of countries in Country Group B;

■ b. Adding in alphabetic order ‘‘Curac

 ̧ ao’’ and ‘‘Sint Maarten (the Dutch two-fifths of the island of Saint Martin)’’ to the list of countries in Country Group B; and

■ c. Removing ‘‘East Timor’’ and adding ‘‘Timor-Leste’’ in alphabetic order in the list of countries of Country Group B.

**PART 745—[AMENDED]**

■ 7. The authority citation for 15 CFR part 745 continues to read as follows:

Authority: 50 U.S.C. 1701 et seq.; E.O. 12938, 59 FR 59099, 3 CFR, 1994 Comp., p. 950; Notice of November 4, 2010, 75 FR 68673 (November 8, 2010). Supplement No. 2 to Part 745 [Amended]

■ 8. Supplement No. 2 to part 745 is amended by:

■ a. Removing ‘‘Netherlands * * *’’ and adding in its place ‘‘Netherlands (Kingdom of the) * * *’’

■ b. Removing ‘‘Timor Leste (EastTimor)’’ and adding in its place ‘‘TimorLeste’’;

■ c. Removing the phrase ‘‘the Netherlands includes Aruba and the Netherlands Antilles.’’ in the two asterisk footnote and adding in its place ‘‘the Netherlands (Kingdom of) includes: Aruba, Curac

 ̧ ao, and Sint Maarten (the Dutch two-fifths of the island of Saint Martin).’’

**PART 748—[AMENDED]**

■ 9. The authority citation for 15 CFR part 748 is revised to read as follows:

Authority: 50 U.S.C. app. 2401 et seq.; 50 U.S.C. 1701 et seq.; E.O. 13026, 61 FR 58767, 3 CFR, 1996 Comp., p. 228; E.O. 13222, 66 FR 44025, 3 CFR, 2001 Comp., p. 783; Notice of August 12, 2011, 76 FR 50661 (August 16, 2011).

**§ 748.9 [Amended]**

■ 10. Section 748.9 is amended in the list of countries in paragraph (a)(1) by removing ‘‘Netherlands Antilles’’ and adding in alphabetical order ‘‘Leeward Antilles’’. Dated: August 30, 2011. Kevin J. Wolf, Assistant Secretary for Export Administration.
[FR Doc. 2011–22678 Filed 9–2–11; 8:45 am]

**BILLING CODE 3510–33–P**

**POSTAL SERVICE**

**39 CFR Part 111**

**Post Office (PO) Box Fee Groups for Merged Locations** 

**AGENCY :**  Postal Service TM

. **ACTION :**  Final rule.

**SUMMARY :**  The Postal Service will revise Mailing Standards of the United States Postal Service, Domestic Mail Manual (DMM ® ) 508.4 to allow Post Office BoxTM (PO BoxTM ) fee groups to be merged due to Post Office TM mergers and to have the ability to change a fee group more than one higher or lower level at a time in limited circumstances.

**DATES :**  Effective Date: November 7,
2011.

**FOR FURTHER INFORMATION CONTACT :**  Nan McKenzie at 202–268–3089, David Rubin at 202–268–2986, or Richard Daigle at 202–268–6392.

**SUPPLEMENTARY INFORMATION :**  On July 12, 2011, the Federal Register published our proposed rule (76 FR 40849–40850), requesting comments to allow the Postal Service to change the fee group assignment for PO Boxes by more than one level (higher or lower) when boxes move to a different ZIP Code TM location because of a merger of two or more ZIP Code locations into a single location.

Current mailing standards limit changes for a PO Box fee group assignment for a 5-digit ZIP Code to one level higher or lower, and only once per calendar year. Absent this change, where a box section is merged with a location whose box section is more than one fee group level different, the location would need to charge two different fee groups. This final rule will allow the fee group of the merged (receiving) location to apply to all customers receiving PO Box service in that location. This rule does not affect the standards for Group E PO Box eligibility.

Also, prior to any such merger, existing PO Box customers will have the option to renew their box rentals at their current fees for another period, even if the resulting fee will have been paid for more than one year in advance.

No comments were received on the proposed rule.

The Postal Service adopts the following changes to the Mailing Standards of the United States Postal Service, Domestic Mail Manual (DMM), which is incorporated by reference in the Code of Federal Regulations. See 39 CFR 111.1. List of Subjects in 39 CFR Part 111

Administrative practice and procedure, Postal Service.

Accordingly, 39 CFR Part 111 is amended as follows:

**PART 111—[AMENDED]**

■ 1. The authority citation for 39 CFR Part 111 continues to read as follows:

Authority: 5 U.S.C. 552(a); 13 U.S.C. 301– 307; 18 U.S.C. 1692–1737; 39 U.S.C. 101, 401, 403, 404, 414, 416, 3001–3011, 3201– 3219, 3403–3406, 3621, 3622, 3626, 3632, 3633, and 5001.

■ 2. Revise the following sections of Mailing Standards of the United States Postal Service, Domestic Mail Manual (DMM) as follows:
Mailing Standards of the United States Postal Service, Domestic Mail Manual (DMM)

* * * * * 500 Additional Mailing Services

* * * * * 508 Recipient Services

* * * * *

4.0 Post Office Box Service

* * * * * 4.5 Basis of Fees and Payment

* * * * * 4.5.3 Fee Changes

[ Revise 4.5.3 as follows:] A change in Post Office Box service fees applicable to a 5-digit ZIP Code can arise from a general fee change. In addition, the USPS may assign a fee group to a new ZIP Code, may reassign one or more 5-digit ZIP Codes to the next higher or lower fee group if fee group assignments were in error, or may regroup 5-digit ZIP Codes. Except when boxes from two or more ZIP Codes are being merged into one location, a ZIP Code may be moved only into the next higher or lower fee group. If boxes in two or more ZIP Codes merge, the fee group will be that of the receiving location, even if one of the fee groups changes by more than one level. No ZIP Code may be moved into a different fee group more than once a calendar year. A change in Post Office Box service fees takes effect on the date of the action that caused the change unless an official announcement specifies another date. If Post Office Box service fees are