Records

(a)Except as a specific rule may require, every utility shall maintain, for a period of not less than four years, and shall make them available for inspection at its principal place of business in Colorado during regular business hours, the following:#

(I)records concerning disputes, which records are created pursuant to rule 4004;#

(II)complete records of tests to determine the heating value of gas, which records are created pursuant to rule 4202;#

(III)records concerning interruptions and curtailments of service, which records are created pursuant to rule 4203;#

(IV)transportation request logs, which records are created pursuant to paragraph 4206(f);#

(V)notices of rejected transportation requests, which records are created pursuant to paragraph 4206(c);#

(VI)transportation agreements created pursuant to rule 4206;#

(VII)all distribution pressure records, and all records or charts made with respect to rule 4208, appropriately annotated;#

(VIII)meter calibration records created pursuant to under rule 4303;#

(IX)records concerning meters, which records are created pursuant to rules 4305 and 4306;#

(X)customer billing records, which records are created pursuant to paragraph 4401(a);#

(XI)customer deposit records, which records are created pursuant to rule 4403;#

(XII)records and supporting documentation concerning its cost assignment and allocation manual and fully-distributed cost study pursuant to paragraphs 4503(g) and 4504(e), for so long as the manual and study are in effect or are the subject of a complaint or a proceeding before the Commission;#

(XIII)the total gas transported under each transportation service in Mcf or MMBtu and the associated total revenue;#

(XIV)records concerning gas infrastructure plans, pursuant to rules 4550 through 4555;#

(XV)records concerning clean heat plans, pursuant to rules 4725 through 4734; and#

(XVI)records concerning demand side management, pursuant to rules 4750 through 4761.#

(b)A utility shall maintain at each of its local offices and at its principal place of business all tariffs filed with the Commission and applying to Colorado rate areas. Current and complete tariffs shall also be available on a utility's website in a section that is easily navigable and clearly marked.#

(c)A utility shall maintain its books of account and records in accordance with the provisions of 18 C.F.R. Part 201, the Uniform System of Accounts. A utility shall maintain its books of accounts and records separately and apart from those of its affiliates.#

(d)A utility shall preserve its records in accordance with the provisions of 18 C.F.R. Part 225, the Preservation of Records of Public Utilities and Licensees.#