多谢各位老大的回复,我在网上看到许多自相矛盾的信息,比如在Illinois DNR网站上:
Must I register my inflatable boat(s)?
Illinois law includes inflatable boats in the definition of "watercraft" and as such, they must be numbered in accordance with the law. Complying with this law presents certain problems for owners of inflatable boats. Most commonly used materials for numbering boats won't hold up well on inflatables. The most common means of compliance is to affix the numbers and expiration decal to a board which is then attached to the grab rail allowing it to hang over the side in the location where numbers would normally be painted. There are two companies (that we know of) that offer methods to affix numbers directly to a rubber boat:
1) Inland Marine, 1320 Cape Coral Highway, Cape Coral, FL (813) 463-7552 offers a stencil and paint that will adhere to rubber and flex without flaking off.
2) West Shore Marine, 208 Beacon St., Marblehead, MA (617) 639-0480 sells numbers and letters made of the same material that the boats are made of and can be permanently glued on.
https://www.dnr.illinois.gov/about/Pages/FAQ.aspx#qst20