(2) The certificate shall not be required if:
(a) The person acquiring the handgun is a licensed firearms dealer under federal law;
(b) The handgun is an antique handgun;
(c) The person acquiring the handgun is authorized to do so on behalf of a law enforcement agency;
(d) The transfer is a temporary transfer of a handgun and the transferee remains (i) in the line of sight of the transferor or (ii) within the premises of an established shooting facility;
(e) The transfer is between a person and his or her spouse, sibling, parent, child, aunt, uncle, niece, nephew, or grandparent;
I read that as a step-parent needs a permit... but I'm no lawyer