14 CFR § 65.109

The holder of a repairman certificate (light-sport) with an inspection rating may perform the annual condition inspection on an aircraft:

That is owned by the holder;

That has an experimental airworthiness certificate issued in accordance with § 21.191(g), (i), (k), or (l) of this chapter; and

That is in the same category, and class as applicable, of aircraft for which the holder has completed the training course specified in § 65.107(c).

The holder of a repairman certificate (light-sport) with a maintenance rating may—

Approve for return to service an aircraft that has a special airworthiness certificate in the light-sport category under § 21.190 of this chapter, or any part thereof, after performing or inspecting maintenance (to include the annual condition inspection and the 100-hour inspection required by § 91.327 of this chapter), preventive maintenance, or an alteration (excluding a major repair or a major alteration on a product produced under an FAA approval);

Perform the annual condition inspection on an aircraft that has an experimental airworthiness certificate issued in accordance with § 21.191(g), (i), (k), or (l) of this chapter; and

Only perform maintenance, preventive maintenance, and an alteration on an aircraft that is in the same category, and class as applicable, of aircraft for which the holder has completed the training specified in § 65.107(d). Before performing a major repair, the holder must complete additional training acceptable to the FAA and appropriate to the repair performed.

The holder of a repairman certificate (light-sport) with a maintenance rating may not approve for return to service any aircraft or part thereof unless that person has previously performed the work concerned satisfactorily. If that person has not previously performed that work, the person may show the ability to do the work by performing it to the satisfaction of the FAA, or by performing it under the direct supervision of a certificated and appropriately rated mechanic, or a certificated repairman, who has had previous experience in the specific operation concerned. The repairman may not exercise the privileges of the certificate unless the repairman understands the current instructions of the manufacturer and the maintenance manuals for the specific operation concerned.