Postage Assertion: PS Form 3600-PM or accredited facsimile; other documentation may very well be required by specifications for payment process used. No postage statement is needed if metered postage is affixed. Clients employing USPS-permitted IBI postage meters that print the IBI with the right price marking (see 202.three.3) and https://franciscowdlsa.post-blogs.com/39514485/what-does-usps-global-express-guaranteed-mean