(a) The comptroller may retain in the suspense account of a county a portion of the county’s share of the tax collected for the county under this chapter, not to exceed five percent of the amount remitted to the county. If the county has abolished the tax, the amount that may be retained may not exceed five percent of the final remittance to the county at the time of the termination of the collection of the tax.
(b) From the amounts retained in a county’s suspense account, the comptroller may make refunds for overpayments to the account and to redeem dishonored checks and drafts deposited to the credit of the account.

(c) Before the expiration of one year after the effective date of the abolition of a county’s tax under this chapter the comptroller shall send to the county the remainder of the money in the county’s account and shall close the account.