The optimum word is "unprocessed" ... which IMHO means "not yet cleaned".
Therein lies the confusion ... if you clean them, then they no longer count towards your "Possession Limit" while still "in the field" ??
Is this law centered more towards people camping/lodging at a lake & fishing more than 2 consecutive days ... or those stockpiling fish at home in the freezer ?? Or does it cover both accounts ??