Payment of salaries of all county officers, deputies, clerks and employees payable by New Castle County, shall be paid by warrants drawn by the government of New Castle County on the Department of Finance, in such installments and upon such dates as the government of New Castle County shall designate, upon the certificate in writing of the officer employing them that they have faithfully performed their duties up to the end of the payroll period.
9 Del. C. § 9124