Correct
Just to expand,
Predicate rules, according to FDA definition:
"The underlying requirements set forth in the Federal Food, Drug, and Cosmetic Act (FD&C Act), the Public Health Service Act, and FDA regulations (other than part 11) are referred to in this guidance as predicate rules"
Download the guidance from this page.
(Since I am new to the forum, I was not allowed to include the 'Link')
You can google it.