The phrase "act number" is correct and usable in written English.
It is typically used in legal or theatrical contexts to refer to a specific act within a larger work, such as a play or legislation.
Example: "The act number for this legislation is 1234, which outlines the new regulations."
Alternatives: "section number" or "legislation number".
By the time Burr breaks out into his great second act number, "The Room Where It Happens", his musical style has subtly shifted, as he picks up Jefferson's Dixieland jazz.
On second viewing, I feel that may be due to its linear structure, and that, while it has some terrifically upbeat moments – climaxing in the closing first act number, Spend Spend Spend! – the pungent but downbeat second half doesn't have the feelgood factor that West End musicals demand.
In 1984, the then Faculty of Agriculture, Forestry and Veterinary Sciences of the University of Dar es Salaam was upgraded into a full-fledged Sokoine University of Agriculture through a parliamentary Act number 6 of 1984 (Sokoine University of Agriculture 2016).
Marge's husband Charlie Michael X . Martin) leads off a big second act number "When I'm Gone".
"Take, for example, 'High Adventure.' Casey was just so wonderful when it came to this second act number.
With the introduction of an extreme decree called Institutional Act Number Five, they jailed Caetano and Gil amid a spree of sentencing and torture directed at thousands of people, including leftists, activists and students.
(For all his leeway with the script, Mr. Beane said, he was not able to move some "Sister Act" numbers around, as he initially wanted to do).
Rep. David Schweitkart (R-Ariz). said the Rogers proposal seemed to make sense, particularly if it held the Budget Control Act numbers in place.
Patients with chronic ACT numbered 41 (15.7%).
As in the original model, for the intermediate model, balancing of sex act numbers between subgroups was ignored.
The first-act number "Passover" is an example of the purity of childhood memories leavened (sorry) with humor.
