Pending Periodical maildat Adjustment
If you are presorting a Periodical that does not have official periodical status from the post office (pending periodical) here is what you need to adjust within the maildat files so that when it uploads it shows the post office that it is a Pending Periodical.
maildat.cpt - change the 2 to a 5 in position 80-81
maildat.mpu - change the 2 to a 5 in position 87-88
maildat.mpa - change the P to a T in position 125-126
Lastly maildat.mpa – move the permit in positions 49-57 to positions 58-65
