)The RPI is usually higher than CPI and so it is proposed that we use CPI only, removing the link to RPI in the rules.
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UK 6.2.6.c Minimum Entry Fees will be increased annually by the increase in Retail Price Index (RPI) according to the formula:
New fee = A+ {A x [(B-C) /C]}, rounded to nearest 10p. Where
A = the entry fee for 2020
B = the index for September immediately prior to the relevant ACM
C = the index for September 2019
9.7.10 Send the appropriate levy to the Slalom Treasurer (address in directory). The levy is payable on every starter and will be increased annually by the increase in Retail Price Index (RPI) according to the formula.
New fee = A+ {A x [(B-C) /C]}, rounded to nearest 1p.
Where A = for Premier and Division 1 £7.51 for Division 2 £3.54 and for Division 3 and 4 £0.00
B = the index for September immediately prior to the relevant ACM
C = the index for September 2019.