Fastest Speed allowed for CW FM repeater ID in USA

Question

What is the fastest legal WPM I can use for my repeater's Morse code identification?

I am in the USA.

Answer 1

20 wpm.

§97-119:

(b) The call sign must be transmitted with an emission authorized for the transmitting channel in one of the following ways:

(1) By a CW emission. When keyed by an automatic device used only for identification, the speed must not exceed 20 words per minute;