The Mid-Atlantic Chapter of the Professional Car Society operates under a charter granted by the Society's Board on 16 August 1985. The Chapter serves PCS members in Maryland, Delaware, the District of Columbia, northern Virginia, southeastern Pennsylvania, and southern New Jersey.
Subscription to On Call, the Chapter's bimonthly publication, is by membership in the Chapter through the office of the Membership Director. Chapter dues are $10 per calendar year and membership in the Professional Car Society is a prerequisite to membership in any Chapter.