SDCL § 49-31-101: State "do-not-call" register.

The commission shall maintain a register of names and telephone numbers of each South Dakota residential telephone subscriber who has elected not to receive unsolicited telephone calls. The commission may provide to the Federal Trade Commission, for inclusion in the national "do-not-call" registry, the telephone numbers listed in the register. The commission may include South Dakota residential telephone subscribers listed in the national "do-not-call" registry in the register.