All records required by these regulations or necessary for the administration thereof shall be available for examination by the Commission or its authorized representatives. All records required by these regulations shall be preserved for the period of time specified in 18 CFR 125, as amended, which is incorporated by reference, unless otherwise specified by the Commission. Each utility shall file with the Commission a copy of its tariff which shall include: Rates. Each schedule of rates for service together with the applicable riders. Rules. The utility's rules, or terms and conditions, describing the utility's policies and practices in rendering service. These rules shall include: Extension Plan. The utility's plan for the installation of extensions of main and service lines where these facilities are in excess of those included in the regular rates for service and for which the customer shall be required to pay all or part of the cost. The customer's payments under this plan should be related to the investment that the utility prudently can make in consideration of the probable revenue. Voltages. A list of available voltages. Material Furnished by Utility. A list of the items which the utility furnishes, owns, and maintains on the customer's premises, such as meters, meter sockets, service entrances, etc. Billing Period. A statement indicating the minimum and maximum number of days for which the utility will bill a customer at its regular monthly rates for service. Payment Period. A statement indicating the minimum number of days allowed for payment of the gross amount of the customer's bill before service will be terminated for non-payment. Wastage of Electricity. A general statement of the utility's policy in making adjustments for wastage of electricity when an accidental ground exists without the knowledge of the customer. Special Contracts. Each utility shall file with the Commission a copy of each contract for service not covered by the utility's filed tariff. Installation Rules. Each utility shall file with the Commission a copy of the utility's rules, if any, designed by the utility for the use of engineers, architects, electrical contractors, etc., covering meter and service installations. Bill Forms. Each utility shall file with the Commission a sample of each type of customer bill form, which shall include the information normally shown on a customer's bill for service. Map of System. Each utility shall file with the Commission a map showing the utility's operating area. This map shall be revised annually unless the revision is unnecessary, in which event the utility shall notify the Commission that the map on file is current. If practicable, the map should show: Generating stations; Transmission lines with voltages; Primary distribution lines; State boundary crossings; and Territorial boundary. Persons to Contact. Each utility shall notify Commission staff, within 30 days of a change, of the name, title, address, telephone number, and email address of the person who should be contacted in connection with: General electric distribution management duties; Customer relations (complaints); Electric distribution operations; Electric distribution planning; Meter tests and repairs; Emergencies during non-office hours; Cybersecurity; and Regulatory contact for general inquiries. Fatal Accident Notice. In the event of a fatal accident, prompt notice shall be given to the Commission by telephone or email. Accident Notice. Each utility shall file with the Commission an “Accident Notice” report, on forms provided by the Commission, within 30 days after the end of any month during which an accident occurred. Line Support Identification. Each. Public Utilities Article, §§2-121, 4-202, 5-101, 5-302, and 6-203—6-210; State Government Article, §7-207(a); Annotated Code of Maryland Effective date: May 22, 1942 (Order No. 38330) Chapter revised effective May 18, 1960 (Order No. 54348) Chapter revised effective June 1, 1965 (Order No. 55819) Regulation .02 amended effective January 1, 1972 (Order No. 59734); March 12, 2007 (34:5 Md. R. 561) Regulation .04 amended effective September 21, 2009 (36:19 Md. R. 1438); December 2, 2019 (46:24 Md. R. 1104); August 21, 2023 (50:16 Md. R. 728) Regulation .04H amended effective September 18, 1989 (16:18 Md. R. 2024)