Licenses issued hereunder shall be issued according to requirements at least as stringent as those set forth at 25 CFR Parts 556 and 558, and any amendments thereto. ONCA 07-09, eff. Dec. 8, 2006; ONCA 07-29, eff. Apr. 23, 2007; ONCA 10-73, eff. Oct. 5, 2010.