(a) The county chair shall establish and maintain a bank account for the sole purpose of depositing and expending primary funds; any interest earned in such an account becomes part of the primary fund.(b) Payments issued by the Comptroller of Public Accounts will be payable to the county party chair, not the individual's name, preferably in the form of direct deposit. Direct deposit forms may be obtained from the Comptroller of Public Accounts.(c) The county chair, or any employee paid from the primary fund, shall not commingle primary funds with any other fund or account.(d) Each payment issued from a primary-funds account must include a statement regarding the payment being void after a period of time, such as "VOID AFTER 180 DAYS."(e) The county chair shall complete bank reconciliations on a monthly basis.(f) After all primary expenditures have been paid, the primary bank account may be retained with a sufficient minimum balance, generally $50. All bank account information must be transferred to the incoming county chair in accordance with §81.108 of this chapter (relating to Transfer of Records to New County Chair).(g) Revenue received for a primary may not be used to pay expenses for a previous primary.