A.__A letter or other document requesting registration;

B.__Two copies, including one certified copy, of the determination sought to be registered and a statement under penalty of perjury that to the best of the knowledge and belief of the person seeking registration the order has not been modified; and

C.__Except as otherwise provided in section 1753, the name and address of the person seeking registration and any parent or person acting as a parent who has been awarded custody or visitation in the child custody determination sought to be registered.

2.__Filing and notice.__On receipt of the documents required by subsection 1, the registering tribunal shall:

A.__Cause the determination to be filed as a foreign judgment, together with one copy of any accompanying documents and information, regardless of their form; and

B.__Serve notice upon the persons named pursuant to subsection 1, paragraph C and provide them with an opportunity to contest the registration in accordance with this section.

3.__Information in notice.__The notice required by subsection 2, paragraph B must state that:

A.__A registered determination is enforceable as of the date of the registration in the same manner as a determination issued by a court of this State;

B.__A hearing to contest the validity of the registered determination must be requested within 20 days after service of notice; and

C.__Failure to contest the registration will result in confirmation of the child custody determination and preclude further contest of that determination with respect to any matter that could have been asserted.

4.__Hearing to contest.__A person seeking to contest the validity of a registered order must request a hearing within 20 days after service of the notice.__At that hearing, the court