Sec. 6. (a) This chapter does not relieve a man who is presumed to be a father under 31-14-7-2 from the obligation of registering in accordance with this chapter to be entitled to notice of an adoption of a child for whom the man may be the presumed father.
(b) The filing of a paternity action by a putative father does not relieve the putative father from the:
(1) obligation of registering; or
(2) consequences of failing to register;
in accordance with this chapter unless paternity has been established before the filing of the petition for adoption of the child.