4.—(1) An entry relating to a policy on which none of the premium payments is in arrear shall not be made in a book relating to a policy on which a premium payment is in arrear, unless the book contains a previous entry relating to the first-mentioned policy.

(2) An entry relating to a policy on which a premium payment is in arrear shall not be made in a book relating to a policy or policies on none of which a premium payment is in arrear, unless the book contains a previous entry relating to the first-mentioned policy.

(3) For the purposes of this Regulations two books, one of which has been provided to replace or continue the other, shall be deemed to be the same book, and in the case of any books divided into sections containing separate entries in respect of one or more policies, each such section shall be deemed to be a separate book.