On or before the fifteenth day of each month, magistrates or clerks of general sessions courts and other courts shall make a detailed report of all fines and forfeitures collected during the previous calendar month, this report to be made on forms provided by the commission, and the magistrates or clerks of general sessions courts shall retain ten percent (10%) of fines and forfeitures collected or taken, and shall pay one half (½) of the balance to the state treasurer with the report, to be placed to the credit of the wildlife resources fund, and shall pay one half (½) of the balance to the trustee of the county in which the fine or forfeiture was collected, to be placed to the credit of the general funds of the county.