Directs counties to develop and maintain comprehensive county emergency medical system plans

Added requirement for counties to convene meetings with cities, towns, and villages to develop comprehensive county emergency medical system plans that describe how services will be provided for all residents.

Removed provisions about establishing special districts for ambulance services and merging pre-existing ambulance districts, shifting focus from district creation to comprehensive planning.

Changed the bill's sponsors from a single senator (Mayer) to seven senators (Mayer, Borrello, Fahy, Gallivan, Harckham, Hinchev, May, Walczyk) and expanded the committee process to include committee discharge and recommitment.

Added requirement that comprehensive county emergency medical system plans must be completed within six months of the effective date and submitted to the department of health and state emergency medical services council for review.

Changed the bill number from S 7501 to S 7501--A and updated the page number reference in the footer from LBD11722-01-5 to LBD11722-07-5.