10.—(1) The Registrar General must prepare such online household, individual and communal establishment packs in accordance with this regulation as the Registrar General considers necessary for the purpose of the census.
(2) The contents of each pack prepared in accordance with this regulation must be contained in a sealed envelope through which any printed address can be seen.
(3) An online household pack must contain—
(a)a unique access code for the online questionnaire H4; and
(b)such additional information as the Registrar General considers may assist with the completion and submission of the online questionnaire H4;
(4) An online individual pack must contain—
(a)a unique access code for the online questionnaire I4; and
(b)such additional information as the Registrar General considers may assist with the completion and submission of the online questionnaire I4;
(5) An online communal establishment pack must contain—
(a)a unique access code for online questionnaire CE4; and
(b)such additional information as the Registrar General considers may assist with the completion and submission of the online questionnaire CE4.