Sec. 6. As provided by 52 U.S.C. 20505(d), if:
(1) the county voter registration office mails a notice of the disposition of a voter registration application under section 5(b) of this chapter by nonforwardable mail; and
(2) the notice is returned as undeliverable, after the applicant is added to the registration rolls under section 5 of this chapter;
the county voter registration office may initiate steps to remove the voter from the registration rolls as provided in 52 U.S.C. 20507(d) and this article.