(i) the
additional costs allowance (ACA) paid to reimburse MPs for necessary expenses
incurred when staying overnight away from their main home for the purpose of performing parliamentary
duties was set at a maximum level of # 22,110 for 2006/07 and incorporates claims of up to # 250 on any «allowable» item without a receipt as well as up to # 400 per month on food without a receipt;