In KCBS comps the original packaging is not required. The meat may be removed from the package and trimmed as long as it's not brined, seasoned, rubbed, marinated, etc. Basically you cannot add any type of flavoring agent prior to inspection.
CBJ # 22569
KCBS BoD Judges' Advocate
Member of the 100 Contest Club
Possibly the only judge ever to get an award from a bunch of cooks
UDS 075 UCB WSM and a bunch of other stuff.
The above post is only my opinion - mine & mine alone.