Texas Finance Code - FIN § 202.003. Required Age of Acquired Bank

(1) a bank that is the successor as a result of merger or acquisition of all or substantially all of the assets of a prior bank is considered to have been in existence and continuously operated during the period of its existence and continuous operation as a bank and during the period of existence and continuous operation of the prior bank;  and

(2) a bank effecting a purchase and assumption, merger, or similar transaction with or supervised by the Federal Deposit Insurance Corporation or its successor is considered to have been in existence and continuously operated during the existence and continuous operation of the bank with respect to which the transaction was consummated.