(a) The application must be accompanied by
(1) if it is an original application, the application fee;
(2) the biennial license fee for a collection agency for the principal place of business and the same amount for each branch office;
(3) a bond running to the state with a surety or sureties to the satisfaction of the department, and conditioned that the licensee shall, within 30 days after the close of each calendar or fiscal month, report and pay to the licensee's customers the net proceeds due and payable of all collections made during the calendar or fiscal month that exceed $20.
(b) All money collected by an agency belonging to a client shall be deposited in a trust account and cleared at the end of each month. The department may audit any agency transaction.