▁Act . ▁ ▁The ▁Wel sh ▁Re venue ▁Author ity ▁admin ister s ▁and ▁collect s ▁L TT ▁with ▁support ▁from ▁H M ▁Land ▁Reg istry . ▁ ▁Over view ▁ ▁L TT ▁is ▁usually ▁paid ▁by ▁the ▁solic itor ▁on ▁beh alf ▁of ▁the ▁bu yer , ▁within ▁ 3 0 ▁days ▁of ▁completion ▁as ▁part ▁of ▁the ▁administrative ▁process ▁to ▁complete ▁the ▁convey ancing ▁transaction , ▁although ▁final ▁responsibility ▁lies ▁with ▁the ▁bu yer . ▁Sub m itting ▁an ▁L TT ▁return ▁and ▁making ▁arrang ements ▁to ▁pay ▁the ▁L TT ▁due ▁is ▁a ▁pr ere quis ite ▁to ▁applying ▁for ▁registration ▁of ▁title . ▁L TT ▁is ▁a ▁progress ive ▁tax , ▁with ▁its ▁structure ▁designed ▁so ▁that ▁the ▁charge ▁r ises ▁more ▁than ▁proportion ately ▁to ▁the ▁actual ▁price ▁of ▁the ▁property . ▁The ▁percentage ▁rate ▁for ▁each ▁band ▁in ▁L TT ▁is ▁applied ▁only ▁to ▁the ▁part ▁of ▁the ▁price ▁over ▁the ▁relevant ▁threshold ▁and ▁up ▁to ▁the ▁next ▁threshold . ▁ ▁Pro pos als ▁for ▁rates ▁and ▁bands ▁were ▁announced ▁by ▁the ▁Minister ▁for ▁Fin ance ▁Mark ▁Dra ke ford ▁on ▁ 1 1 ▁December ▁ 2 0 1 7 , ▁as ▁part ▁of ▁the ▁annual ▁D raft ▁Bud get ▁process ▁and ▁tax ▁calcul ators ▁are ▁available ▁to ▁help ▁tax pay ers ▁and ▁agents ▁determine ▁the ▁amount ▁of ▁L TT ▁due . ▁The ▁proposed ▁tax ▁rates ▁and ▁bands ▁are ▁subject ▁to ▁consult ation ▁and ▁Parliament ary ▁scr ut iny ▁through ▁the ▁D raft ▁Bud get ▁process ,