Before starting business, individual merchants and industrials, and partnerships shall place outside of their establishments and branches, signs in Spanish and English with the given name and surnames and domicile of the merchant or industrial, or of the partnerships and its managing partner or partners, as the case may be. The letters on such signs shall be not less than six inches high and one inch wide.\nThe legal presumption of habitual engagement in commerce shall exist from the time the person or partnership intending to engage therein, advertises by means of said signs, or by circulars, or in the newspapers, or otherwise, an establishment the object of which is some mercantile or industrial pursuit.\nHistory —Commerce Code, 1932, § 3.
Puerto Rico Legal Code