[1][40A. Expenses or Payments not deductible in certain circumstances.

(1) The provisions of this section shall have effect notwithstanding anything to the contrary contained in any other provision of this Act relating to the computation of income under the head Profits and gains of business or profession.

(2) (a) Where the assessee incurs any expenditure in respect of which payment has been or is to be made to any person referred to in clause (b) of this sub-section, and the [2][Assessing] Officer is of opinion that such expenditure is excessive or unreasonable having regard to the fair market value of the goods, services or facilities for which the payment is made or the legitimate needs of the business or profession of the assessee or the benefit derived by or accruing to him therefrom so much of the expenditure as is so considered by him to be excessive or unreasonable shall not be allowed as a deduction:

[3][Provided that [4][for an assessment year commencing on or before the 1st day of April, 2016] no disallowance, on account of any expenditure being excessive or unreasonable having regard to the fair market value, shall be made in respect of a specified domestic transaction referred to in Section 92BA, if such transaction is at arms length price as defined in clause (ii) of Section 92F.]

[5][* * * * *]

(b) The persons referred to in clause (a) are the following, namely :