(1) Each institution should prepare its customers list in duplicate and put them in a sealed envelope, to be put inside another envelope sealed by red wax and despatched with a covering letter inside the sealed envelope to the Risks Bureau before the tenth day of the month following that for which the list is prepared.

(2) Each Institution shall prepare a third copy of the list which should be identical in every respect to both copies sent to the Risks Bureau and conformable to the Institution’s records.