Section 439(2) in The Bombay Provincial Municipal Corporations Act, 1949
(2)If not paid on demand, the said expenses shall be recoverable by the Commissioner, subject to the provisions of sub-section (4) and sub-section (3) of section 416 by distress and sale of the moveable property or attachment and sale of the immovable property of the defaulter, as if the amount thereof were a property-tax due by the said defaulter.