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What are the maximum dimensions for Bound Printed Matter (BPM) Flat mail pieces using MailStream Plus

Product affected: MailStream Plus™, all versions, all platforms 
The USPS provides in Physical Standards for all mailing pieces in the Domestic Mail Manual (DMM) section:
  • 201 Physical Standards
Within these standards you will find this sections:
  • 4.0 Physical Standards for Flats
  • 5.0 Physical Standards for Nonautomation Flats
  • 6.0 Physical Standards for Automation Flats
  • 7.0 Physical Standards for Parcels
  • 8.0 Additional Physical Standards by Class of Mail

MailStream Plus™ will follow the rules of these standards. 
 
UPDATED:  August 20, 2019