The 27-year old midfielder, who left Heart of Midlothian at the end of last season, had agreed a contract to play with the Glasgow club in the First Division but that has become void since 'Gers were voted into the fourth tier.
Despite that fall from grace, Black says has called for Rangers boss Ally McCoist to come and get him so he can help the Ibrox club in returning to their former glory.
"The contract will be void because it was for playing in the First Division," Black told SunSport.
"If they want me in the Third Division, then they'll have to approach me again.
"I don't have anything else happening at the moment. I'm unemployed right now and looking for a team. I have a family to support, so I need to get back into work.
"I'm open to offers - from Rangers or anybody else. I'll see how it goes."