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 person considered as the obligor’s employer pursuant to part 5 of this chapter without first filing a petition or comparable pleading or registering the order with a tribunal of this state.
Employer's receipt of income-withholding order of another state
Tenn. Code Ann. § 36-5-2501, under Uniform Interstate Family Support Act — Enforcement of Order Without Registration.
Tenn. Code Ann. § 36-5-2501