law: 3. Application of the Act.-
  (1) Subject to the provisions of sub-section (2) and sub-section (3), this Act shall apply in relation to every hotel wherein the room charges for residential accommodation provided to any person at any time during the previous year are seventy-five rupees or more per day per individual.
  Explanation.-Where the room charges are payable otherwise than on daily basis or per individual, then the room charges shall be computed as for a day and per individual based on the period of occupation of the residential accommodation for which the charges are payable and the number of individuals ordinarily permitted to occupy such accommodation according to the rules and custom of the hotel.
  (2) Where a composite charge is payable in respect of residential accommodation and food, the room charges included therein shall be determined in the prescribed manner.
  (3) Where-
  (i) a composite charge is payable in respect of residential accommodation, food, drink and other services, or any of them, and the case is not covered by the provisions of sub-section (2), or
  (ii) it appears to the Income-tax Officer that the charges for residential accommodation, food, drink or other services are so arranged that the room charges are understated and the other charges are overstated, the Income-tax Officer shall, for the purposes of sub-section (1), determine the room charges on such reasonable basis as he may deem fit.