(1) The Central Government may, for the purposes of sub-section (3) of section 6A, appoint an officer not below the rank of Additional District Magistrate as the registering authority for every district of the State of Assam.
(2) An application for registration under sub-section (3) of section 6A shall be made in Form XVIII, by the person to the registering authority for the district in which he is ordinarily resident, within a period of thirty days from the date of his detection or identification as a foreigner or, as the case may be, within a period of thirty days of the appointment of the registering authority in the district.
(3) The registering authority shall, after entering the particulars of the application in a register in Form XIX, return a copy of the application under his seal to the applicant.
(4) One copy of every application received during a quarter shall be sent by the registering authority to the Central Government and the State Government of Assam along with a quarterly return in Form XX.
(5) The registering authority may, and for the reasons to be recorded in writing, extend the period specified in sub-rule (2) for a period not exceeding sixty days.