Sec. 3. As used in this chapter, "PTIN" means the preparer tax identification number that the Internal Revenue Service issues to identify tax return preparers under 26 U.S.C. 6109. As added by P.L.212-2018(ss), SEC.29.
"PTIN"
Ind. Code § 6-8.1-17-3, under Income Tax Return Preparers; Preparer Tax Identification Numbers.
Ind. Code § 6-8.1-17-3