The phrase "act was approved" is correct and usable in written English.
It can be used in contexts where you are discussing the approval of a specific act, law, or regulation.
Example: "The new environmental act was approved by the legislative assembly last week."
Alternatives: "measure was sanctioned" or "legislation was ratified".
The act was approved last week by the US House of Representatives.
A draft Commonwealth Act was approved in 1987, and negotiations with the U.S. Congress were initiated.
The Affordable Care Act was approved by Congress and sanctioned by the Supreme Court.
The Commodity Futures Modernization Act was approved in December 2000, just before Bill Clinton's term as president ended.
A draft Commonwealth Act was approved in 1987, and continuing negotiations with the United States took place through the late 20th century.
The South Africa Act was approved by the four colonial parliaments in June 1909 and passed into law by the British Parliament by September 1909.
Start-Up: Y Combinator's Top 10 The JOBS Act is approved and with its passage, Steve Case and others look forward to a less-regulated start-up world.
Once the crowdfunding portion of the JOBS Act is approved by the Securities and Exchange Commission, which is expected to occur in late 2012 or early 2013, equity-based funding will be legal for all investors.
The activists protesting at his office said they will continue to fight until funds for the Dream Act are approved in the state.
ACT is approved as evidence-based practice for the treatment of depression and chronic pain by the American Psychological Association.
One of Lacob's first dramatic acts was approving a trade of Ellis for Bogut, causing Golden State's boisterous but generally well-behaved fans to boo him off the microphone at a jersey-retirement ceremony for the Hall of Famer Chris Mullin.
