Section 30.572 - Duties on creation of security interest(1) Subsections (2) to (4) apply if an owner creates a security interest in a boat of a type for which a certificate of title is required, unless the name and address of the secured party already appears on the certificate of title for the boat.(2) At the time that the security interest is created, the owner shall complete, in the space provided on the certificate of title or on a separate form prescribed by the department, an application to name the secured party on the certificate, showing the name and address of the secured party. The owner shall deliver the certificate, application and the fee required under s. 30.537(4) (d) to the secured party.(3) Within 10 days after receipt, the secured party shall deliver the certificate, application and fee to the department.(4) Upon receipt of the certificate of title, application and fee, the department shall issue to the owner a new certificate containing the name and address of the new secured party. The department shall deliver to the new secured party and to the register of deeds for the county in which the debtor resides, memoranda, in a form prescribed by the department, of the notation of the security interest upon the certificate. The department shall deliver to the secured party and to the register of deeds additional memoranda of any assignment, termination or release of the security interest.(5) A register of deeds may maintain a file of all memoranda received from the department under sub. (4). A filing, however, is not required for a perfection, assignment or release of a security interest, which is effective upon compliance with ss. 30.57(3), 30.573 and 30.574.