Wis. Stat. § 769.501: Employer’s receipt of income-withholding order of another state.

An income-withholding order issued in another state may be sent by or on behalf of the obligee, or by the support enforcement agency, to the obligor’s employer or other debtor, as specified in s. 767.75 (1f), without first filing a petition or comparable pleading or registering the income-withholding order with a tribunal of this state.