Company: OIA
Filing Date: 2025-03-06
Form Type: POS EX
Source: 0001193125-25-048456
Chunk: 1

Company: Invesco Municipal Income Opportunities Trust
Filing Date: 2025-03-06
Form: POS EX
Chunk 1
---
� | Check box if this Form is a registration statement pursuant to General Instruction B or a post-effective                       
 amendment thereto that will become effective upon filing with the Commission pursuant to Rule 462(e) under the Securities Act. |

| ☐ | Check box if this Form is a post-effective amendment to a registration statement filed pursuant to General                            
 Instruction B to register additional securities or additional classes of securities pursuant to Rule 413(b) under the Securities Act. |

It is proposed that this filing will become effective (check appropriate box):

| ☐ | when declared effective pursuant to Section 8(c) of the Securities Act. |

If appropriate, check the following box:

| ☐ | This [post-effective] amendment designates a new effective date for a previously filed [post-effective 
 amendment] [registration statement].                                                                   |

| ☐ | This Form is filed to register additional securities for an offering pursuant to Rule 462(b) under the                                           
 Securities Act, and the Securities Act registration statement number of the earlier effective registration statement for the same offering is: . |

| ☐ | This Form is a post-effective amendment filed pursuant to Rule 462(c) under the Securities Act, and the                  
 Securities Act registration statement number of the earlier effective registration statement for the same offering is: . |

| ☒ | This Form is a post-effective amendment filed pursuant to Rule 462(d) under the Securities Act, and the                            
 Securities Act registration statement number of the earlier effective registration statement for the same offering is: 333-283796. |

Check each box that appropriately characterizes the Registrant:

| ☒ | Registered Closed-End Fund (closed-end                                                           
 company that is registered under the Investment Company Act of 1940 (“Investment Company Act”)). |

| ☐ | Business Development Company (closed-end company that intends                                       
 or has elected to be regulated as a business development company under the Investment Company Act). |

| ☐ | Interval Fund (Registered Closed-End Fund or a Business                                                       
 Development Company that makes periodic repurchase offers under Rule 23c-3 under the Investment Company Act). |

| ☒ | A.2 Qualified (qualified to register securities pursuant to General Instruction A.2 of this Form). |

| ☐ | Well-Known Seasoned Issuer (as defined by Rule 405 under the Securities Act). |

| ☐ | Emerging Growth Company (as defined by Rule 12b-2 under the 
 Securities Exchange Act of 1934 (“Exchange Act”