wrote:

"I am installing a new porch fan. ... Is it acceptable to
have the 'clicker' on/off remote (located inside the house)
as the only means to turn the fan on/off, other than at the
main breaker?"

I can't address the code issues, but I'd advise against it.
Sooner or later the remote/clicker will become lost, broken,
or the battery will fail with no spares in the house and the
stores closed. Then you will wish you had a way to turn the
fan on or off.

Best regards to all.