Indiana Code Title 25. Professions and Occupations § 25-28.5-1-12

Sec. 12. (a) Except as otherwise provided in this chapter, a natural person over the age of eighteen (18) years who resides in Indiana and any corporation which satisfies the further requirements of this chapter may be licensed by the commission as a plumbing contractor.  Except as otherwise provided by this chapter, a natural person over the age of eighteen (18) years may be licensed by the commission as journeyman plumber.

(b) A person who desires to be licensed as a plumbing contractor or journeyman plumber is eligible for such a license upon the successful taking of the examination provided in section 15 of this chapter.

(c) To qualify for a journeyman plumber examination under subsection (b), an applicant who is an Indiana resident must provide evidence that the applicant has completed at least four (4) years in an apprenticeship program approved by the commission or present to the commission a notarized statement providing evidence that the applicant has at least four (4) years of experience in the plumbing trade in employment as set forth in section 32(2), 32(6), or 32(7) of this chapter.  To qualify for a plumbing contractor license examination under subsection (b), an applicant who is an Indiana resident must provide evidence that the applicant has completed at least four (4) years in an apprenticeship program approved by the commission or present to the commission a notarized statement providing evidence that the applicant has at least four (4) years of experience in the plumbing trade in employment as set forth in section 32(2), 32(6), or 32(7) of this chapter, or has worked in a plumbing business under the direction of a licensed plumbing contractor for at least four (4) years.

(d) An applicant who is not an Indiana resident may qualify to take an examination under subsection (b) in the following manner:

(e) If the applicant holds a license in a state that has a reciprocity agreement with Indiana, the appropriate license shall be issued automatically.