I did enjoy the subtraction anagram of 7d - I thought it was very neatly done. I share the general iffiness about 1a - though I do recall working in a couple of offices where there were big (A2?) items of this sort. Good for doing doodles and anagrams! Still a thing, apparently.
I'm glad I came here as I had no inkling of the theme and it's rather cute. Also, I had failed to get the parsing for 13d and was feeling rather annoyed that Kite was using a horrible homonym cued by 'accepted for record' ! Thanks Jono for clearing that up.