As a general rule, your income will not be affected. If you file a joint tax return and have a refund, that refund can be intercepted for his back child support.
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You income will not be affected. For more information, consult a family law practitioner.
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Your individual income will not be affected, but does it matter in effect since the whole amount comes out of his? The net effect is the same on your marital income. And as pointed out, some things like income tax refunds will be affected.
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