Tex. Local Government Code § 114.041

(a) In a county with a population of 190,000 or less, a district, county, or precinct officer shall keep, as part of a record provided for the purpose, a statement of the fees earned by the officer and of the money received by the officer as deposits for costs, trust fund deposits in the registry of a court, fees of office, and commissions. The officer must make an entry in the record when the fees or commissions are earned or the deposits are made and when the money is received. The county auditor or, if the county does not have a county auditor, the commissioners court shall annually examine the records and accounts of each officer and report the findings of the examination to the next grand jury or district court.

(b) In a county with a population of more than 190,000, a district, county, or precinct officer shall keep, as part of a record provided for the purpose by the proper county authorities, a statement of the amounts earned by the officer and of the money received by the officer as fees, commissions, or costs. The officer may designate a person to receive the money as fees, commissions, or costs on behalf of the officer under this subsection. The officer or a person designated by the officer to receive the fees, commissions, or costs must make an entry in the record when the fees, commissions, or costs are earned and when they are received.