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post-office-services-domestic-mail
3Documents about post-office-services-domestic-mail
Documents about post-office-services-domestic-mail
- 39 CFR Part 111 — General Information on Postal Service#509257Code of Federal Regulations (eCFR)
- 39 CFR Part 121 — Service Standards for Market-Dominant Mail Products#509258Code of Federal Regulations (eCFR)
- 39 CFR Part 122 — Service Standards for Market-Dominant Special Services Products#509259Code of Federal Regulations (eCFR)
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