中山市TBT预警防控平台
——技术性贸易措施资源
占市场支配地位的邮政产品的服务标准
时间: 2008-11-20
2017-07-01
39 CFR 121
Service standards for market-dominant mail products
2018-07-12
| Title 39--Postal Service
CHAPTER I--UNITED STATES POSTAL SERVICE PART 121--SERVICE STANDARDS FOR MARKET-DOMINANT MAIL PRODUCTS |
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121.1 | First-class mail. |
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121.2 | Periodicals. |
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121.3 | Standard Mail. |
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121.4 | Package Services. |
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Appendix | Appendix A to Part 121--Service Standard Day Range Tables. |
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