Kan. Stat. § 8-135a
A person in whose name a vehicle is titled and registered may add their spouse's name by assigning the title from the titleholder to titleholder and spouse and by applying for a name change title and registration. A son or daughter in whose name a vehicle is titled and registered may add a parent's name by assigning the title from such son or daughter to such son or daughter and parent and by applying for a name change title and registration. A parent may add a son or daughter's name by assigning the title from such parent to such parent and parent's son or daughter and by applying for a name change title and registration. Application for name change title and registration shall be made in the manner required by law, including certification of insurance coverage. The fee shall be $10 for the title, and no charge shall be made for the registration, except, when applicable, the fee for transfer of registration under K.S.A. 8-135, and amendments thereto.
K.S.A. 8-135a