61. Collector to make assessments

Subject to section 60A, the Collector shall proceed to assess every person chargeable with tax as soon as may be after the expiration of the time allowed to such person for the delivery of the return provided for in section 52.

Where a person has delivered a return (other than a return fully qualifying for acceptance under section 60A), the Collector may —

Where a person has not delivered a return and the Collector is of the opinion that such person is liable to pay tax, he may, according to the best of his judgment, determine the amount of the chargeable income of such person and make an assessment accordingly, but such assessment shall not affect any liability otherwise incurred by such person by reason of his failure or neglect to deliver a return.