Basically the issue with the knees is you don't want to start riding a horse too strenuously until the knees close. For each breed it is different. Some close at 3, others, like drafts and WBs, can wait until 5 or so.
the act of making or enacting laws. 2. a law or a body of laws enacted. Origin of legislation.
Legislation (or  statutory law ) is law which has been promulgated (or  enacted ) by a legislature or other governing body or the process of making it.he function and procedures are primarily the responsibility of the legislature. However, there are situations where legislation is made by other bodies or means, such as when constitutional law or secondary legislation is enacted.