Presumption.

(1)

A party fails to return the requested income and expense Judicial Council forms and requested documents within 20 business days from the date of the written notice as set forth in Section 115510(f)(6), or Section 115525.

(2)

The local child support agency provided the written notice either by personal delivery to the party, or by mail to the party's “last known address”, and the information was not returned to the local child support agency as undeliverable.

(3)

The local child support agency has no current income and expense information for the party in the case file.

(4)

The local child support agency is unable to obtain information on the party through automated locate tools and the Federal Case Registry.

(5)

The income and expense Judicial Council forms and requested documents, provided by either the requesting party as set forth in Section 115510(f)(6), or a party as set forth in Section 115525, or a verified change in circumstance as set forth in Section 115530 suggests a change in the amount of the child support order, upward or downward, by at least 20% or $50, whichever is less.