# EDGAR Filing Document

**Accession Number:** 0000830487
**File Stem:** 9999999995-25-002277
**Filing Date:** 2025-7
**Character Count:** 1509
**Document Hash:** 92f27a5050a1c9f9d08290cedaa8cf70
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**9999999995-25-002277.hdr.sgml**: 20250721

**ACCESSION NUMBER**: 9999999995-25-002277

**CONFORMED SUBMISSION TYPE**: EFFECT

**PUBLIC DOCUMENT COUNT**: 1

**FILED AS OF DATE**: 20250718

**DATE AS OF CHANGE**: 20250721

**EFFECTIVENESS DATE**: 20250718

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** WESTERN ASSET MUNICIPAL HIGH INCOME FUND INC.
- **CENTRAL INDEX KEY:** 0000830487

**ORGANIZATION NAME:**
- **EIN:** 000000000
- **STATE OF INCORPORATION:** MD
- **FISCAL YEAR END:** 1031

**FILING VALUES:**
- **FORM TYPE:** EFFECT
- **SEC ACT:** 1933 Act
- **SEC FILE NUMBER:** 333-287133
- **FILM NUMBER:** 251135587

**BUSINESS ADDRESS:**
- **STREET 1:** 620 EIGHTH AVENUE
- **STREET 2:** 47TH FLOOR
- **CITY:** NEW YORK
- **STATE:** NY
- **ZIP:** 10018
- **BUSINESS PHONE:** 888-777-0102

**MAIL ADDRESS:**
- **STREET 1:** 620 EIGHTH AVENUE
- **STREET 2:** 47TH FLOOR
- **CITY:** NEW YORK
- **STATE:** NY
- **ZIP:** 10018

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** MUNICIPAL HIGH INCOME FUND INC
- **DATE OF NAME CHANGE:** 19920703

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** SPECIAL OPPORTUNITIES MUNICIPAL FUND INC
- **DATE OF NAME CHANGE:** 19881025

### UNITED STATES
### SECURITIES AND EXCHANGE COMMISSION
**Washington, D.C. 20549**

## Notice of Effectiveness

**Date:** July 18, 2025

**Time:** 11:00:00

**Form Type:** N-2

---

**CIK:** 0000830487

**Company Name:** WESTERN ASSET MUNICIPAL HIGH INCOME FUND INC.

**File Number:** 333-287133