(1) No note given for premiums on insurance in this state shall be negotiated until the policy for which the note was given has been issued and delivered to the maker of the note, and all notes so given shall state the purpose for which the note was given.
(2) However, this subsection shall not be applicable in cases in which the policy is issued or approved in the form and at the rate applied for and the coverage is effective prior to the issuance or approval.
(3) Nothing in this section shall be construed in any way to invalidate these notes between the payee and payor, and notes when they become negotiable shall in all respects be as other negotiable paper.