For all of these sports, there are minimum age requirements meant to protect your dog while he is a puppy, and various other rules and eligibility requirements. (breeders.net)
There are minimum age requirements for each seat with the front being 3 + months and the rear 6 + months. (happeningsoftheharperhousehold.net)
In accordance with state law, candidates must satisfy minimum age requirements to sell and / or supervise the sale of alcohol and / or tobacco products. (simplyhired.com)