Regarding rcm on rent from Oct 2024

RCm on rent is payable by service receiver who are registered on rent paid to service provider who are unregistered . RCm paid on rent can be claimed in same month . service receiver in 3b has declared rent paid in service outward as well as in service inward in respective col. now in portal finally element of gst on rent will calculate only when there is excess of input over output . when there is input less and output more the element of gst on rent will not wokout. your valuable suggestion in this regard please