vii -- enforcement of restrictions the foregoing restrictions may be enjoined and/or enforced by court action by the bel-air association , or by the makati development corporation or its assigns , or by any registered owner of land within the boundaries of the bel-air subdivision ( sub-division plan psd-49226 and lot 7-b , psd-47848 ) or by any member in good standing of the bel-air association . ''