(a) This Code section shall apply only to real property ad valorem taxes which are due in an amount of less than $5.00.

(b) Any execution for ad valorem taxes in an amount of less than $5.00 shall be enforced within one year after the execution is issued or the taxes become due, whichever is earlier.

(c) A tax execution which has become barred under this Code section shall not be subject to revival; and the taxpayer shall not be personally liable for such taxes after the execution becomes barred.

(d) Amounts of taxes due on more than one piece of real property or for more than one tax year shall not be added together so as to exceed the $5.00 limit if each of these amounts is individually less than $5.00.