(1) Subject to the provisions of this Act, the chargeable receipts of any previous year of an assessee shall be the total amount of all charges, by whatever name called, received by, or accruing or arising to, the assessee in connection with the provision of residential accommodation, food, drink and other services or any of them (including such charges from persons not provided with such accommodation ¹[but excluding such charges from persons within the purview of the Vienna Convention on Diplomatic Relations, 1961 or the Vienna Convention on Consular Relations, 1963]) in the course of carrying on the business of a hotel to which this Act applies and shall also include every amount collected by the assessee by way of tax under this Act, sales tax, entertainment tax and tax on luxuries.
     (2) For the removal of doubts, it is hereby declared that where any such charges have been included in the chargeable receipts of any previous year as charges accruing or arising to the assessee during that previous year, such charges shall not be included in the chargeable receipts of any subsequent previous year in which they are received by the assessee.