(1) A copy of the order being modified or, in the discretion of the bureau, information sufficient to permit the bureau to retrieve or identify the order;
(2) A form containing a statement of all of the requesting party's information known to the party that is relevant to determining the amount of child support, including a general statement or argument advancing the reason the request is being made;
(3) Copies of documentation reasonably available to the requesting party setting forth all of the requesting party's information that is relevant to determine the amount of child support;
(4) A statement setting forth the relevant information pertaining to the responding party's earnings and child support that is known or believed to be true by the requesting party;
(5) Copies of any relevant documentation which the requesting party may have in its possession which would be relevant to determining the responding party's child support obligations; and
(6) A statement of all other known proceedings, pending court proceedings or other pending requests for assistance involving the parties or related to the child or children whose support is being reevaluated.
(b) Upon receipt of notification that an obligor is incarcerated in a regional jail or a state or federal correctional facility, the Bureau for Child Support Enforcement shall determine whether the expected incarceration will exceed six months. If the incarceration will exceed six months, the bureau shall file a petition to modify child support.