▁the ▁month ▁of ▁September ▁the ▁preceding ▁year . ▁When ▁re - valu ations ▁take ▁place , ▁the ▁multip lier ▁is ▁adjust ed ▁so ▁that ▁the ▁overall ▁change ▁across ▁the ▁country ▁is ▁the ▁same ▁as ▁the ▁Ret ail ▁Pr ices ▁Index ▁change . ▁ ▁The ▁introduction ▁of ▁Small ▁Business ▁R ate ▁Rel ief ▁in ▁ 2 0 0 5 ▁added ▁a ▁supp lement ▁to ▁the ▁U BR ▁to ▁fund ▁the ▁relief . ▁The ▁income ▁from ▁business ▁rates ▁currently ▁does ▁not ▁go ▁directly ▁to ▁the ▁local ▁authority ▁( un like ▁Council ▁Tax ); ▁rather , ▁it ▁is ▁po o led ▁cent r ally ▁and ▁red ist ributed ▁to ▁the ▁authorities . ▁In ▁ 2 0 1 4 - 1 5 ▁authorities ▁in ▁England ▁collected ▁a ▁total ▁of ▁£ 2 2 . 9 ▁billion ▁in ▁business ▁rates , ▁representing ▁ 3 . 5 3 % ▁of ▁the ▁total ▁UK ▁tax ▁income ▁and ▁ach ieving ▁an ▁average ▁in - year ▁collection ▁rate ▁of ▁ 9 8 . 1 %. ▁ ▁For ▁ 2 0 1 6 / 1 7 ▁the ▁multip lier ▁is ▁ 4 9 . 7 ▁p ence ▁and ▁the ▁small ▁business ▁rate ▁multip lier ▁is ▁ 4 8 . 4 ▁p ence .   The ▁multip lier ▁for ▁ 2 0 1 7 / 1 8 ▁is ▁ 4 7 . 9 ▁p ence , ▁which ▁means ▁that ▁this ▁tax ▁has ▁increased ▁in ▁real ▁terms ▁by ▁ 3 7 . 6 % ▁since ▁its ▁in ception ▁in ▁ 1 9 9 0 . ▁The