Publication 685 - Publication for Streamlined Mail Acceptance for Letters and Flats - Contents 6-3 Seamless Acceptance Postage Assessment Seamless Acceptance assessments are aggregated to the eDoc Submitter..." /> Publication 685 - Publication for Streamlined Mail Acceptance for Letters and Flats - Contents 6-3 Seamless Acceptance Postage Assessment Seamless Acceptance assessments are aggregated to the eDoc Submitter..." />