RULE N1910.22. ATTACHMENT OF INCOME.
Every order of support, whether new or modified, shall contain an immediate order for the mandatory attachment of income unless:
(1) The obligor is not in arrears in payment in an amount equal to or greater than one month's support obligation, and
(2) (i) Upon written petition the Court finds that there is good cause not to require immediate income withholding; or
(ii) A signed written agreement is reached between the parties which provides for an alternative arrangement.