Indiana Code Title 16. Health § 16-32-3.5-9

Sec. 9. (a) A public accommodation shall not ask about the nature or extent of an individual's disability, but may make the following two (2) inquiries to determine whether an animal qualifies as a service animal:

(b) A public accommodation shall not require documentation, such as proof that the animal has been:

as a service animal.

(c) A public accommodation may not make inquiries about a service animal's qualifications when it is readily apparent that the animal is trained to do work or perform tasks for an individual with a disability.