S. 44C: Non-residents – Head office expenditure -A non- resident assessee is entitled to claim deduction of an amount equal to 5% of the adjusted total income as expenditure in the nature of Head Office (HO) Expenses. The fact that the expenses are not debited in the Profit & loss account or the books of account is irrelevant. The entries in the books of account are not conclusive [ S.145 ]