[ Section 63 Maharashtra GST Act 2017 explains Assessment of unregistered persons  and is covered in Chapter XII : Assessment ]

Assessment of unregistered persons.

63. Notwithstanding anything to the contrary contained in section 73 or section 74,where a taxable person fails to obtain registration even though liable to do so or whose registration has been cancelled under sub-section (2) of section 29 but who was liable to pay tax, the proper officer may proceed to assess the tax liability of such taxable person to the best of his judgment for the relevant tax periods and issue an assessment order within a period of five years from the date specified under section 44 for furnishing of the annual return for the financial year to which the tax not paid relates :

Provided that no such assessment order shall be passed without giving the person an opportunity of being heard.

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