An ALS commercial ambulance service shall retain at least one licensed paramedic to function as an ALS coordinator who: Is approved by the ALS service medical director; Participates on the ALS service's quality review committee; and Oversees: ALS operations; and The submission of patient care reports and EMS data in accordance with COMAR 30.03.04.04. An ALS commercial ambulance service may provide BLS service with an ambulance licensed as either: ALS; or BLS. An ALS commercial ambulance service may not provide scheduled ALS service with a BLS-licensed commercial ambulance vehicle unless: It uses a BLS-licensed ambulance for a period of not more than 30 calendar days for reasons related to: Routine maintenance; or Mechanical failure of an ALS-licensed commercial ambulance vehicle; The BLS-licensed ambulance has, in addition to the equipment required in COMAR 30.09.10, all the equipment required in this chapter; and It has notified SOCALR of the proposed use before its occurrence and has been issued a confirmation number verifying authorization.