Rule 23 – Greyhound – age calculation, minimum age to run, Puppy definition
The age of a Greyhound shall be reckoned as beginning on the first Day of the Month in which it is whelped. A Greyhound under the age of 15 Months shall not run in any Race or Initial Trial; (e.g. a January whelp not before 1st April the following year).
A Greyhound shall also be termed a Puppy for a period of 24 Months from and including the Month of whelping; (e.g. a January whelp until the end of December the following year).