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 is the act or process of making or enacting laws. Some people think there should be more legislation in the area of education and some people think there should be less â governments debates the matter periodically. The noun legislation refers to the actual law enacted by a legislative body at the national, state, or local level. There has been some very odd legislation over the years. In one state it was illegal to kiss on a train; in another, it was illegal to take a bath on Sunday. The sweeping legislation made radical changes to tax law, health care, and immigration law.