# EDGAR Filing Document

**Accession Number:** 0000719451
**File Stem:** 0000878467-23-000037
**Filing Date:** 2023-3
**Character Count:** 2717
**Document Hash:** 078090704e039fd26090ef0e9488975a
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0000878467-23-000037.hdr.sgml**: 20230331

**ACCESSION NUMBER**: 0000878467-23-000037

**CONFORMED SUBMISSION TYPE**: 497K

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20230331

**DATE AS OF CHANGE**: 20230331

**EFFECTIVENESS DATE**: 20230331

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** FIDELITY ADVISOR SERIES IV
- **CENTRAL INDEX KEY:** 0000719451
- **IRS NUMBER:** 000000000
- **STATE OF INCORPORATION:** MA
- **FISCAL YEAR END:** 1130

**FILING VALUES:**
- **FORM TYPE:** 497K
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 002-83672
- **FILM NUMBER:** 23785316

**BUSINESS ADDRESS:**
- **STREET 1:** 245 SUMMER STREET
- **CITY:** BOSTON
- **STATE:** MA
- **ZIP:** 02210
- **BUSINESS PHONE:** 617-563-7000

**MAIL ADDRESS:**
- **STREET 1:** 245 SUMMER STREET
- **CITY:** BOSTON
- **STATE:** MA
- **ZIP:** 02210

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** FIDELITY INCOME TRUST
- **DATE OF NAME CHANGE:** 19920703

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** INCOME PORTFOLIOS
- **DATE OF NAME CHANGE:** 19920202

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** FIXED INCOME PORTFOLIOS
- **DATE OF NAME CHANGE:** 19920202

## Series and Classes Contracts Data

### Fidelity Limited Term Government Fund (Series ID: S000005156)

| Class ID   | Class Name                            | Ticker Symbol   |
|:---|:---|:---|
| C000014122 | Fidelity Limited Term Government Fund | FFXSX           |

**Supplement to the**

**Fidelity® Limited Term Government Fund**

**January 28, 2023**

**Summary Prospectus**

The Board of Trustees of Fidelity Limited Term Government Fund has approved changes to the fund's management fee and expense structure. Effective April 1, 2023, under the new arrangements, the management fee has been reduced to 0.20%, transfer agent fees are fixed at 0.10% and total operating expenses are contractually limited to 0.35% (subject to certain exclusions). This expense limit may not be increased without approval of Fidelity Limited Term Government Fund's shareholders and Board of Trustees.

The following information replaces similar information found in the "Fund Summary" section under the "Fee Table" heading.

**Annual Operating Expenses**

**(expenses that you pay each year as a % of the value of your investment)**

---

| | |
|:---|:---|
| Management fee <sup>A</sup> | 0.20% |
| Distribution and/or Service (12b-1) fees |  |
| Other expenses<sup>A</sup> | 0.10% |
| **Total annual operating expenses** | 0.30% |

---

<sup>A</sup>Adjusted to reflect current fees.

---

| | |
|:---|:---|
| 1 year | $31 |
| 3 years | $97 |
| 5 years | $169 |
| 10 years | $381 |

---

ISG-SUSTK-0423-100 1.9909563.100 April 1, 2023