The most common and most likely answer to this crossword clue is the 5 plus 5 letter word PAPER TRAIL
P
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More clues leading to the result PAPER TRAIL
- Father cheeky before bar providing documentary evidence
- Documentation making office assistant get saucy and protest
- The first to complain after priest hides copy of evidence of activity
- Record of financial transactions on a yearly basis for each advert
- Documentation makes office assistant get saucy and protest
- The sort of documentation with which Father's curiously paltrier
- Documentation gets personal assistant to protest loudly after each time
Buddy explains!

The straight part
We know that "The sort of documentation" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case the sort of documentation = paper trail.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.