(1) The division of child support (DCS) petitions to modify a support order when DCS finds during the review that each of the following conditions are present:

(a) The proposed change in child support based on the Washington state child support schedule:

(i) Is at least twenty-five percent above or below the current support obligation;

(ii) Is at least one hundred dollars per month above or below the current support obligation; and

(iii) Is at least a two thousand four hundred dollar change over the remaining life of the support order; or

(iv) Will provide enough income to:

(A) Make the family ineligible for public assistance if the noncustodial parent (NCP) pays the full amount due under the proposed order; or

(B) Allow a family, otherwise eligible for public assistance, to remain off of assistance.

(b) The case meets the legal requirements for modification under RCW 26.09.170, 74.20A.059, or WAC 388-14A-3925.

(2) DCS may petition to modify the order without regard to subsection (1)(a) of this section when:

(a) The order does not require the NCP to provide health insurance coverage for the children; and

(b) Health insurance coverage is available through the NCP's employer or union at a reasonable cost; or

PDFWAC 388-14A-3903

How does DCS decide whether to petition for modification of a support order?