| PART 100. STANDARDS OF BEHAVIOR FOR COMMISSIONERS AND COMMISSION EMPLOYEES |
| PART 105. WAIVER OF FILING AND APPROVAL OF CERTAIN SALES, LEASES AND MORTGAGES |
| PART 110. APPROVAL OF CITIZENS UTILITY BOARD ENCLOSURES AND STATEMENTS [Repealed] |
| PART 200. RULES OF PRACTICE |
| PART 201. VOLUNTARY MEDIATION PRACTICE |
| PART 202. VOLUNTARY BINDING ARBITRATION PRACTICE |
| PART 210. ANNUAL REPORTS |
| PART 215. DESIGNATION OF AGENT |
| PART 220. REPORTS OF ACCIDENTS BY FIXED PUBLIC UTILITIES OTHER THAN PIPELINES TRANSPORTING LIQUIDS |
| PART 240. REPORTS OF ISSUANCE AND SALE OR DISPOSAL OF SECURITIES AND THE APPLICATION OF PROCEEDS (GENERAL ORDER 129) |
| PART 250. PUBLIC UTILITY BOOKS AND ACCOUNTS (GENERAL ORDER 140) |
| PART 255. NOTICE REQUIREMENTS FOR CHANGE IN RATES FOR COOLING, ELECTRIC, GAS, HEATING, TELECOMMUNICATIONS, SEWER OR WATER SERVICES |
| PART 265. PROTECTION OF UNDERGROUND UTILITY FACILITIES |
| PART 270. ANNUAL GROSS REVENUE RETURN TAX |
| PART 275. PROMOTIONAL PRACTICES OF ELECTRIC AND GAS PUBLIC UTILITIES |
| PART 280. PROCEDURES FOR GAS, ELECTRIC, WATER AND SANITARY SEWER UTILITIES GOVERNING ELIGIBILITY FOR SERVICE, DEPOSITS, BILLING, PAYMENTS, REFUNDS AND DISCONNECTION OF SERVICE |
| PART 281. UTILITY SERVICE OF MILITARY PERSONNEL IN MILITARY SERVICE |
| PART 285. STANDARD INFORMATION REQUIREMENTS FOR PUBLIC UTILITIES AND TELECOMMUNICATIONS CARRIERS IN FILING FOR AN INCREASE IN RATES |
| PART 286. SUBMISSION OF RATE CASE TESTIMONY |
| PART 287. RATE CASE TEST YEAR |
| PART 288. UTILITY RATE CASE EXPENSE AND CONSUMER INTERVENOR COMPENSATION FUND |
| PART 290. PUBLIC UTILITY ELECTRONIC TARIFF FILING |
| PART 295. ADVERTISING EXPENSES OF ELECTRIC AND GAS UTILITIES |
| PART 300. GUIDELINES FOR LAND AND RIGHT-OF-WAY ACQUISITIONS |
| PART 302. GUIDELINES FOR CARBON DIOXIDE TRANSPORTATION AND SEQUESTRATION |
| PART 305. CONSTRUCTION OF ELECTRIC POWER AND COMMUNICATION LINES |
| PART 310. THE WAIVER OF FILING AND THE APPROVAL OF CERTAIN CONTRACTS AND ARRANGEMENTS WITH AFFILIATED INTERESTS (GENERAL ORDER 174) |
| PART 315. POLE ATTACHMENT RATES, TERMS AND CONDITIONS APPLICABLE TO CABLE TELEVISION COMPANIES, ELECTRIC UTILITIES AND TELECOMMUNICATIONS CARRIERS |
| PART 325. DONATIONS BY UTILITIES |
| PART 330. DETERMINATION OF TEMPORARY RATE INCREASES |
| PART 335. CONFIDENTIAL CONTRACTS |
| PART 340. MONEY POOL AGREEMENTS |
| PART 410. STANDARDS OF SERVICE FOR ELECTRIC UTILITIES AND ALTERNATIVE RETAIL ELECTRIC SUPPLIERS |
| PART 411. ELECTRIC RELIABILITY |
| PART 412. OBLIGATIONS OF RETAIL ELECTRIC SUPPLIERS |
| PART 415. UNIFORM SYSTEM OF ACCOUNTS FOR ELECTRIC UTILITIES |
| PART 416. ACCOUNTING FOR NON-PUBLIC UTILITY BUSINESS OF ELECTRIC UTILITIES |
| PART 418. MUNICIPAL ELECTRIC TAX RATES |
| PART 420. THE PRESERVATION OF RECORDS OF ELECTRIC UTILITIES (GENERAL ORDER 186) |
| PART 421. ENVIRONMENTAL DISCLOSURE |
| PART 425. UNIFORM ELECTRIC FUEL ADJUSTMENT |
| PART 430. PURCHASE AND SALE OF ELECTRIC ENERGY FROM COGENERATION AND SMALL POWER PRODUCTION FACILITIES (GENERAL ORDER 214) |
| PART 435. ELECTRIC UTILITY FORECASTING (GENERAL ORDER 215) [Repealed] |
| PART 440. LEAST-COST PLANNING FOR ELECTRIC UTILITIES [Repealed] |
| PART 441. EFFECT OF ADOPTION OF ELECTRIC LEAST-COST PLANS [Repealed] |
| PART 445. PURCHASE AND SALE OF ELECTRIC ENERGY FROM QUALIFIED SOLID WASTE ENERGY FACILITIES |
| PART 450. NON-DISCRIMINATION IN AFFILIATE TRANSACTIONS FOR ELECTRIC UTILITIES |
| PART 451. CERTIFICATION OF ALTERNATIVE RETAIL ELECTRIC SUPPLIERS |
| PART 452. STANDARDS OF CONDUCT AND FUNCTIONAL SEPARATION |
| PART 453. INTERNET ENROLLMENT RULES |
| PART 454. LICENSURE OF RETAIL ELECTRIC AGENTS, BROKERS AND CONSULTANTS |
| PART 455. RENEWABLE PORTFOLIO STANDARD AND CLEAN COAL STANDARD FOR ALTERNATIVE RETAIL ELECTRIC SUPPLIERS AND UTILITIES OPERATING OUTSIDE THEIR SERVICE AREAS |
| PART 460. CERTIFICATION REQUIREMENTS AND STANDARDS OF SERVICE FOR METER SERVICE PROVIDERS |
| PART 461. CERTIFICATION FOR NEW UTILITY-SCALE SOLAR INSTALLERS |
| PART 462. CERTIFICATION FOR ENERGY EFFICIENCY INSTALLERS |
| PART 465. NET METERING |
| PART 466. ELECTRIC INTERCONNECTION OF DISTRIBUTED ENERGY RESOURCES FACILITIES |
| PART 467. ELECTRIC INTERCONNECTION OF LARGE DISTRIBUTED ENERGY RESOURCES FACILITIES |
| PART 468. DISTRIBUTED GENERATION INSTALLER CERTIFICATION |
| PART 469. CERTIFICATION FOR THE INSTALLATION, MAINTENANCE OR REPAIR OF ELECTRIC VEHICLE CHARGING STATIONS |
| PART 470. GOVERNMENTAL ELECTRIC AGGREGATION |
| PART 500. STANDARDS OF SERVICE FOR GAS UTILITIES [Repealed] |
| PART 501. STANDARDS OF SERVICE FOR GAS UTILITIES AND ALTERNATIVE GAS SUPPLIERS |
| PART 505. UNIFORM SYSTEM OF ACCOUNTS FOR GAS UTILITIES |
| PART 506. ACCOUNTING FOR NON-PUBLIC UTILITY BUSINESS OF GAS UTILITIES |
| PART 510. THE PRESERVATION OF RECORDS OF GAS UTILITIES (GENERAL ORDER 187) |
| PART 512. OBLIGATIONS OF ALTERNATIVE GAS SUPPLIERS |
| PART 515. ELIMINATION OF NONESSENTIAL USES OF NATURAL GAS (GENERAL ORDER 202) [Repealed] |
| PART 520. TRAINING PROGRAMS FOR NATURAL GAS SYSTEM OPERATING PERSONNEL (GENERAL ORDER 204) |
| PART 525. PURCHASED GAS ADJUSTMENT CLAUSE |
| PART 530. SAFETY AND QUALITY STANDARDS FOR GAS TRANSPORTATION FOR A PRIVATE ENERGY ENTITY BY GAS UTILITIES |
| PART 535. BACKGROUND CHECKS AND MERCURY COMPLIANCE |
| PART 550. NON-DISCRIMINATION IN AFFILIATE TRANSACTIONS FOR GAS UTILITIES |
| PART 551. CERTIFICATION OF ALTERNATIVE GAS SUPPLIERS |
| PART 556. QUALIFYING INFRASTRUCTURE PLANT SURCHARGE |
| PART 590. MINIMUM SAFETY STANDARDS FOR TRANSPORTATION OF GAS AND FOR GAS PIPELINE FACILITIES |
| PART 595. REPORTS OF ACCIDENTS OR INCIDENTS BY PERSONS ENGAGED IN THE TRANSPORTATION OF GAS, OR WHO OWN OR OPERATE GAS PIPELINE FACILITIES |
| PART 596. PUBLIC AVAILABILITY OF INSPECTION INFORMATION |
| PART 600. STANDARDS OF SERVICE FOR WATER UTILITIES (GENERAL ORDER 24) |
| PART 602. NOTICE REQUIREMENTS FOR SUBTRACTOR'S IDENTIFICATION FOR WATER AND SEWER UTILITIES |
| PART 605. UNIFORM SYSTEM OF ACCOUNTS FOR WATER UTILITIES |
| PART 615. THE PRESERVATION OF RECORDS OF WATER UTILITIES (GENERAL ORDER 189) |
| PART 650. UNIFORM SYSTEM OF ACCOUNTS FOR SEWER UTILITIES |
| PART 655. PURCHASED WATER AND SEWAGE TREATMENT SURCHARGES |
| PART 656. QUALIFYING INFRASTRUCTURE PLANT SURCHARGE |
| PART 705. THE PRESERVATION OF RECORDS OF TELECOMMUNICATIONS CARRIERS (GENERAL ORDER 188) |
| PART 710. UNIFORM SYSTEM OF ACCOUNTS FOR TELECOMMUNICATIONS CARRIERS |
| PART 711. COST ALLOCATION FOR LARGE LOCAL EXCHANGE CARRIERS |
| PART 712. COST ALLOCATION FOR SMALL LOCAL EXCHANGE CARRIERS |
| PART 715. UNIFORM SYSTEM OF ACCOUNTS FOR CELLULAR COMMUNICATIONS TELEPHONE UTILITIES [Repealed] |
| PART 720. 9-1-1 IMPLEMENTATION REPORTS (GENERAL ORDER 208) [Repealed] |
| PART 725. STANDARDS OF SERVICE APPLICABLE TO 9-1-1 EMERGENCY SYSTEMS |
| PART 726. REQUIREMENTS FOR BUSINESSES WITH PRIVATE BUSINESS SWITCH SERVICE TO COMPLY WITH THE EMERGENCY TELEPHONE SYSTEM ACT [Repealed] |
| PART 727. REQUIREMENTS FOR NON-BUSINESS ENTITIES WITH PRIVATE BUSINESS SWITCH SERVICE TO COMPLY WITH THE EMERGENCY TELEPHONE SYSTEM ACT [Repealed] |
| PART 728. STANDARDS OF SERVICE APPLICABLE TO WIRELESS 9-1-1 EMERGENCY SYSTEMS [Repealed] |
| PART 729. ADMINISTRATION OF FUNDS CREATED BY THE WIRELESS EMERGENCY TELEPHONE SAFETY ACT [Repealed] |
| PART 730. STANDARDS OF SERVICE FOR LOCAL EXCHANGE TELECOMMUNICATIONS CARRIERS |
| PART 731. WHOLESALE SERVICE QUALITY FOR TELECOMMUNICATIONS CARRIERS |
| PART 732. CUSTOMER CREDITS |
| PART 733. PROVISION OF ADVANCED TELECOMMUNICATIONS SERVICES |
| PART 734. MEDIATION PRACTICE |
| PART 736. SERVICE QUALITY REQUIREMENTS APPLICABLE TO WIRELESS ELIGIBLE TELECOMMUNICATIONS CARRIERS |
| PART 737. STANDARDS OF SERVICE AND CUSTOMER CREDITS FOR ELECTING PROVIDERS AND COMPETITIVE NON-ELECTING PROVIDERS |
| PART 740. STANDARDS FOR CUSTOMER-PROVIDED INSIDE WIRING (CPIW) (GENERAL ORDER 216) [Repealed] |
| PART 745. TARIFF FILINGS |
| PART 750. WAIVERS AND MODIFICATIONS UNDER SECTION 13-402 OF THE PUBLIC UTILITIES ACT |
| PART 755. TELECOMMUNICATIONS ACCESS FOR PERSONS WITH DISABILITIES |
| PART 756. TELECOMMUNICATIONS RELAY SERVICES |
| PART 757. TELEPHONE ASSISTANCE PROGRAMS |
| PART 758. PROGRAM TO FOSTER THE ELIMINATION OF THE DIGITAL DIVIDE |
| PART 759. DIGITAL DIVIDE ELIMINATION INFRASTRUCTURE FUND |
| PART 760. CELLULAR RADIO EXCLUSION |
| PART 761. ARBITRATION PRACTICE |
| PART 762. APPROVAL OR REJECTION OF ARBITRATED AGREEMENTS |
| PART 763. APPROVAL OF NEGOTIATED AGREEMENTS |
| PART 765. UNIVERSAL SERVICE |
| PART 766. TELECOMMUNICATIONS ENFORCEMENT |
| PART 770. OPERATOR SERVICE PROVIDERS |
| PART 771. PAY TELEPHONE PROVIDERS |
| PART 772. PAY-PER-CALL SERVICES |
| PART 773. PRESUBSCRIPTION [Repealed] |
| PART 780. RIGHT-OF-WAY PRECONDEMNATION NEGOTIATIONS BY TELEPHONE COMPANIES |
| PART 790. INTERCONNECTION |
| PART 791. COST OF SERVICE |
| PART 792. IMPUTATION [Repealed] |
| PART 793. COMPETITION REPORTING [Repealed] |
| PART 900. JOINT RULES OF THE ILLINOIS COMMERCE COMMISSION AND THE DEPARTMENT OF ENERGY AND NATURAL RESOURCES: RESIDENTIAL CONSERVATION PLAN [Repealed] |
| PART 1000. ADMINISTRATION OF FUNDS CREATED BY THE WIRELESS EMERGENCY TELEPHONE SAFETY ACT [Repealed] |
| PART 1200. FEE ASSESSMENT AND COLLECTION FOR REGULAR PROCUREMENT EVENTS, SPECIAL PROCUREMENT EVENTS AND OTHER SERVICES |
| PART 1220. UNIFORM SYSTEM OF ACCOUNTS |
| PART 1324. CONSOLIDATION OF 9-1-1 EMERGENCY SYSTEMS |
| PART 1325. STANDARDS OF SERVICE APPLICABLE TO 9-1-1 EMERGENCY SYSTEMS |
| PART 1326. REQUIREMENTS FOR PRIVATE BUSINESS SWITCH SERVICE TO COMPLY WITH THE EMERGENCY TELEPHONE SYSTEM ACT |
| PART 1327. 9-1-1 EMERGENCY SYSTEMS CONSOLIDATION GRANTS |
| PART 1328. STANDARDS OF SERVICE APPLICABLE TO WIRELESS 9-1-1 EMERGENCY SYSTEMS |
| PART 1329. ADMINISTRATION OF THE STATEWIDE 9-1-1 FUND |