that allows you to do this thing called "research". I know, difficult as it is to understand, the internet is on computers now.
126.96.36.199 Men's Basketball.
There shall be a limit of 13 on the total number of counters in men's basketball at each institution. (Adopted: 1/10/91 effective 8/1/92, Revised: 4/27/00 effective 8/1/01, 11/01/01, 4/29/04 effective 8/1/04)
The relavent football regulations for yearly limits (i.e. the 25 per year rule) are in NCAA Bylaws Section 188.8.131.52. The basketball limits section is 15.5.5. I find no other sub sections in 15.5.5 that defines yearly limits for basketball scholarships, only a maxmimum.
From April 2000 - 2004, there was a NCAA '5/8 rule' in effect that prohibited a mens bball coach from recruiting more than 5 players in a single year and 8 in a two year period, but this was eliminated in April 2004, per this NCAA press release: