46. A search in the register shall be done,(1) where it concerns a natural person or his succession, using the particulars provided for in section 13;
(2) where it concerns a legal person, a partnership, an association or a trust, using the name thereof;
(3) where it concerns the State, using the name of the administrative authority concerned by the registration;
(4) where it concerns a road vehicle referred to in section 15, using its identification number; and
(5) where it concerns an uncancelled entry, using the corresponding registration number or form number.