All records required by these regulations shall be preserved for the longer of the period of time specified in 47 CFR 42, as amended, which is incorporated by reference, or 1 year, unless otherwise specified by the Commission. Tariffs. A utility shall have its tariff on file with the Commission in accordance with the regulations governing the filing of tariffs. A utility shall post its tariff and pending tariff changes on its website. After Commission acceptance of a tariff change, a utility shall update the tariff posted on its website not later than 3 business days after the date of acceptance. Annual and Quarterly Reports. Each utility shall file with the Commission appropriate quarterly and annual reports showing information concerning the utility's operation, financial position, and other miscellaneous information as required by these regulations. Fatal Accident Notice. In the event of a fatal accident, prompt notice shall be given to the Commission by telephone. A written report shall follow within 10 days of the accident. Quarterly Accident Report. Each utility shall file with the Commission a disabling injury accident report, on forms provided by the Commission, within 30 days after the end of any quarter. Reporting Schedules. The reports listed in the schedule below are to be filed in accordance with the indicated regulation and at the indicated time: *Planning data, which is submitted on a yearly basis in April, August, and December, will be provided with the quarterly reports due in May, November, and February, respectively. —————— Reporting Format. Reports shall be on a corporate basis only and a product of normal company measurement techniques. Each item to be reported will be listed on a separate line under the appropriate heading as shown above. Further categorization under these headings may be desirable for simplification reasons. Basically all data shall be shown as follows: Planning Data. All data will be on a corporate area basis only. Basic and Support Service Results Data. When a failure to meet minimum standards is reported, a supplemental narrative statement shall be prepared briefly describing the cause and expected duration of the service problem and service improvement plans in effect. Each narrative statement will be numbered for reference to the basic report. State Government Article, §7-207(a); Public Utilities Article, §§2-118, 2-121, 5-101, 5-302, and 6-203—6-210; Annotated Code of Maryland Effective date: January 1, 1976 (Order No. 61496) Regulation .02 amended effective March 26, 2007 (34:6 Md. R. 628) Regulation .03A amended effective September 21, 2009 (36:19 Md. R. 1438) Regulation .03B amended effective January 23, 1981 (8:2 Md. R. 117) Regulation .04A amended effective January 23, 1981 (8:2 Md. R. 117) Chapter revised effective March 18, 2013 (40:5 Md. R. 412)