The State's Attorney in the several counties and the City of Baltimore shall aid the Comptroller and Treasurer in the adjustment of the accounts of the clerks, registers and sheriffs of their respective counties and the said city with the State, and shall advise the Comptroller and Treasurer, when required, of such allowance as he ought or ought not to make the accountant for insolvency or nonresidence; and for such service and for his professional services in the collection of the revenue, the Comptroller may allow such attorney five percent on all moneys sued for and paid into the treasury.