Institutions shall consider a non-trading book position to be material in either of the following cases:
(a)
the accounting value of assets or liabilities denominated in a currency amounts to at least 5 % of the total non-trading book financial assets or liabilities;
(b)
the accounting value of assets or liabilities denominated in a currency amounts to less than 5 % of the total non-trading book financial assets or liabilities where the sum of financial assets or liabilities included in the calculation is lower than 90 % of the total non-trading book financial assets, excluding tangible assets, or liabilities.