Civil Code (Cap. 16), article 248

248. Where before signing the declar ation referred to in article 246, or any note, it shall be necessary to correct any error, t he Director shall make the correction in the manner and form following - in the case of a registration, by means of a postil at the foot thereof to be signed by him, and, in the case of a note, b y means of a postil at the foot thereof before it is signed; and necessary cancellation shall be m ade so that the words cancelle d remain clearly legible; it shall not be lawful to make any eras ure. Preservation of acts.