• Part 3000 [§ 3000.5 - § 3000.55] - STANDARDS OF CONDUCT

• Part 3001 [§ 3001.1 - § 3001.101] - RULES OF PRACTICE AND PROCEDURE

• Part 3002 [§ 3002.1 - § 3002.16] - ORGANIZATION

• Part 3003 [§ 3003.1 - § 3003.7] - PRIVACY ACT RULES

• Part 3004 [§ 3004.1 - § 3004.70] - PUBLIC RECORDS AND FREEDOM OF INFORMATION ACT

• Part 3005 [§ 3005.1 - § 3005.21] - PROCEDURES FOR COMPELLING PRODUCTION OF INFORMATION BY THE POSTAL SERVICE

• Part 3007 [§ 3007.100 - § 3007.401] - NON-PUBLIC MATERIALS PROVIDED TO THE COMMISSION

• Part 3008 [§ 3008.1 - § 3008.7] - EX PARTE COMMUNICATIONS

• Part 3010 [§ 3010.1 - § 3010.66] - REGULATION OF RATES FOR MARKET DOMINANT PRODUCTS

• Part 3015 [§ 3015.1 - § 3015.7] - REGULATION OF RATES FOR COMPETITIVE PRODUCTS

• Part 3017 [§ 3017.1 - § 3017.5] - PROCEDURES RELATED TO COMMISSION VIEWS

• Part 3020 [§ 3020.1 - § 3020.112] - PRODUCT LISTS

• Part 3025 [§ 3025.1 - § 3025.43] - RULES FOR APPEALS OF POSTAL SERVICE DETERMINATIONS TO CLOSE OR CONSOLIDATE POST OFFICES

• Part 3030 [§ 3030.1 - § 3030.50] - RULES FOR COMPLAINTS

• Part 3031 [§ 3031.10 - § 3031.12] - RULES FOR RATE OR SERVICE INQUIRIES

• Part 3032 [§ 3032.1 - § 3032.8] - SPECIAL RULES FOR COMPLAINTS ALLEGING VIOLATIONS OF 39 U.S.C. 404a

• Part 3035 [§ 3035.1 - § 3035.20] - RULES FOR MARKET TESTS OF EXPERIMENTAL PRODUCTS

• Part 3050 [§ 3050.1 - § 3050.60] - PERIODIC REPORTING

• Part 3055 [§ 3055.1 - § 3055.92] - SERVICE PERFORMANCE AND CUSTOMER SATISFACTION REPORTING

• Part 3060 [§ 3060.1 - § 3060.43] - ACCOUNTING PRACTICES AND TAX RULES FOR THE THEORETICAL COMPETITIVE PRODUCTS ENTERPRISE

• Part 3061-3099 - PARTS 3061-3099 [RESERVED]