(a) As used in this Code section, the term "employer social security credit" means the employer social security credit defined in Section 45B(a) of the Internal Revenue Code of 1986, as amended.

(b) If an employer elects to take an employer social security credit pursuant to Section 38 of the Internal Revenue Code of 1986, as amended, the employer, in calculating Georgia taxable net income, shall be allowed a deduction equal to the employer social security credit.