My ex owes more than $100K in maintenance / alimony - not child support. Is it possible for me to get in line for his tax refunds? If so, how do I proceed?

[MichaelL1 · Accepted solution]

This is not an enforceable debt by the IRS.

You can call the numbers listed below and get more details if you wish.

Sorry.

f you have questions regarding the offset of your federal tax refund or offset of another U.S. government-issued payment, you may phone the Treasury Offset Program Call Center at 1-800-304-3107.   

For additional information regarding the FMS Debt Management Services, you may visit the official FMS website at:  www.fms.treas.gov/debt or by phoning their office at 1-888-826-3127.   For questions or concerns you may have regarding the details of the debt itself, you may wish to directly contact the department or agency from which your debt originated. 

source:  https://www.treasury.gov/services/report-fwa/Pages/treasury_offset_program.aspx