Section 17. Section two hundred three of Commonwealth Act Numbered Four hundred sixty-six, as amended, is hereby further amended to read as follows:

"Sec. 203. Registration of name or style with provincial revenue agent or provincial treasurer. Every person engaged in any business or occupation on which a privilege tax is imposed by law shall, on or before the commencement of his business or occupation, register with the provincial revenue agent or with the provincial treasurer, in case no provincial revenue agent is assigned to the province, within ten days after securing his privilege tax receipt, his name or style, place of residence, business or occupation, and the place where such business or occupation is carried on. In case of a firm, the names and residence of the various persons constituting the same shall also be registered."