14 C.F.R. § 61.319 Can I operate a make and model of aircraft other than the make and model aircraft for which I have received an endorsement?
Title 14 - Aeronautics and Space
If you hold a sport pilot certificate you may operate any make and model of light-sport aircraft in the same category and class and within the same set of aircraft as the make and model of aircraft for which you have received an endorsement.
Title 14: Aeronautics and Space
PART 61—CERTIFICATION: PILOTS, FLIGHT INSTRUCTORS, AND GROUND INSTRUCTORS
Subpart J—Sport Pilots
§ 61.319 Can I operate a make and model of aircraft other than the make and model aircraft for which I have received an endorsement?

