SDCL § 50-11-5: Posting of aircraft registration certificate--Decal--Violation as misdemeanor.

The aircraft registration certificate shall at all times be conspicuously posted within the aircraft so as to be readily seen by passengers and inspectors. The department shall provide a decal bearing the same identification number as the registration certificate. The aircraft owner shall display the decal in a location easily visible from the right outside of the aircraft. A violation of this section is a Class 2 misdemeanor.