Section 44BB contains special provisions for computation of taxable income of a non resident assesses engaged in the business of providing services or facilities in connection with, or supplying plant and machinery on hire, used or to be used, in the prospecting for, or extraction or production of, mineral oils.
It provides that 10% of the amount paid or payable to, or the amount received or receivable by, the assessee for provision of such services or facilities or supply of plant and machinery shall be deemed to be the taxable income of such non-resident assessee. Whereas Section 44B contains special provisions for computing profits and gains of shipping business of a non-resident assessee.
In the case of non-residents, such profits and gains will be taken at an amount equal to 7.5% (seven and a half per cent) of the amount paid or payable to the non-resident or to any other person on his behalf on account of the carriage of passengers, livestock, mail or goods shipped at any Indian port as also of the amount received or deemed to be received in India on account of the carriage of passengers, livestock, mail or goods shipped at any port outside India. Section 172, which is a complete code in itself, contains provisions for taxation of occasional shipping business of non-residents in respect of profits made by them from carriage of passengers, livestock, mail or goods shipped at a port in India.