the amount of the expenditure is duly justified by supporting documents having equivalent probative value to invoices for eligible costs where reimbursed in the form referred to in point (a) of paragraph 1;
tá méid an chaiteachais cuí-réasúnaithe trí dhoiciméid tacaíochta a bhfuil luach cruthúnais atá coibhéiseach le sonraisc le haghaidh costas incháilithe acu i gcás ina ndéantar aisíocaíocht san fhoirm dá dtagraítear i bpointe (a) de mhír 1;