Recorded or catalogued for reference (2,4)
I believe the answer is:
on file
(Other definitions for on file that I've seen before include "In official records" , "Recorded" , "(Data) kept for reference" .)
I've seen this clue in The Mirror.
Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free.
Check out my app
or
learn more
about the Crossword Genius project.