Taxing Authority Consulting Services, P.C. (TACS) is a Virginia law firm concentrating its practice on providing tax collection, tax assessment and bankruptcy representation and other services and consulting to state and local governments. TACS has a significant focus on collection of delinquent taxes, including real estate, personal property, business license, parking tickets, court fines and other governmental charges. TACS' attorneys represent the firm's clients to force the judicial sale of real estate, as creditors in bankruptcy proceedings, in tax assessment defense and other matters.