EBU Single Rulebook Q&A 31 December 2015 2015_2546 Trades receivables towards Central Banks

Could you clarify why in the FIN 5 template, it is not possible to put an amount in the cell « Trades receivables towards Central Banks” (Row 30 Column 10)? According to §41c of the ITS instructions, “Trade receivables” include loans to other debtors granted on the basis of bills or other documents that give the right to receive the proceeds of transactions for the sale of goods or provision of