Hamilton County, Indiana

• Spaying and neutering is mandatory for cats and dogs over the age of 6 months.
• Certain animals can be exempted with a breeder’s permit.

Sec. 15-2.1-1-23. – Sterilization of dogs and cats required; breeder’s permit.
(a) Each dog and cat over the age of six months which is kept in the county shall have been sterilized and rendered incapable of reproducing by a licensed veterinarian, unless a veterinarian has certified in writing that it would not be in the animal’s best medical interest, but in no case later than when that excepted animal attains the age of nine months. It shall be unlawful for a person to own a dog or a cat not in compliance with this section and for which the owner does not have a current and valid intact breeder’s permit. A violation of this section shall be punished by a fine of not less than $100.00.