Any veteran, eligible for a loan pursuant to the “Servicemen’s Readjustment Act of 1944” or any amendments thereto, or under any similar federal or state acts, who may be a minor, is hereby empowered with his or her spouse, if any, who may be a minor, to contract liability in this state for repayment of a loan or loans pursuant to the acts. Notwithstanding any contrary provision of law, such veteran or his or her spouse shall not void any such contracts because of his or her age, nor shall such veteran or his or her spouse hereafter interpose the defense in any action arising out of any loan pursuant to such acts that he or she were minors at the time of executing such contracts.