What Mail Types post Carrier Route Discount Indicator 'C' for POSTRC positions 24-26 using MailStream Plus

Product affected:  MailStream Plus™, all versions, all platforms
Two types of mailings will post a 'C' for the Carrier Route indicator, when using POSTRC positions 24-26-
Periodicals mailings, and Package Services mailings.

Carrier Route for these two classes of mail are controlled with ALG CR position 16.
UPDATED:  May 14, 2019