Indiana Code Title 25. Professions and Occupations § 25-2.1-12-4

Sec. 4. (a) An individual may not use the title or designation “certified public accountant”, the abbreviation “CPA”, or any other title, designation, words, letters, abbreviation, sign, card, or device tending to indicate that the individual is a certified public accountant unless the individual:

(b) A licensee who has selected inactive status on the licensee's renewal form may not use the title or designation “certified public accountant” or the abbreviation “CPA” unless the title, designation, or abbreviation is immediately followed by the word “inactive”.

(c) A licensee who has selected retired status on the renewal form of the licensee may not use the title or designation “certified public account” or the abbreviation “CPA” unless the title, designation, or abbreviation is immediately followed by the word “retired”.