For the purposes of determining resident status for tuition or fees, no person who has attained the legal age of majority shall be deemed to have gained residence while attending any educational institution in this state as a full-time student, as such status is defined by the board of regents, in the absence of a clear demonstration that he has established domicile in this state and has otherwise complied with the rules governing the residency status of students as adopted by the board. The residence, for tuition or fee purposes, of any person receiving regular financial assistance from his parent, or whose parent's income was taken into account by any private or governmental agency furnishing financial educational assistance to such person, including scholarships, loans, or otherwise, shall be the same as that of his parent. In the event such person's parents have separate domiciles, his residence for tuition or fee purposes shall be the domicile of the parent furnishing him the greater financial assistance or the parent having the larger income if neither furnishes such assistance.