Meanings
From the literal sense of act (“legislation”) enacted by US Congress.
How to pronounce "act of Congress":
AU
Authorization that is extremely difficult to get, especially in a timely fashion.
Example: "Does it take an act of Congress just to get a stop sign on a corner?"
A statute enacted by the United States Congress.
Example Sentences
1
It took an act of Congress to pass the new tax legislation.
2
Getting my driver's license renewed feels like an act of Congress.
3
The company's decision to change its logo requires an act of Congress.
4
I've been waiting for customer service for hours, it's like an act of Congress to reach them.
5
It shouldn't take an act of Congress to install new software on your computer.