Watch your mail for a letter from SEGIP if you added a spouse, child, or other dependent to your coverage during 2026 Open Enrollment. 

The letter outlines the documents you must send to SEGIP to prove the person(s) you added to coverage are eligible. 

Proof is required for medical, dental vision, and life insurance. If SEGIP doesn’t receive your proof by the date in your letter, the person(s) you tried to add will be removed from your coverage—even if they get an insurance ID card or paperwork. Unless you experience what's called a qualifying life event, you'll have to wait until open enrollment next year to sign them up for coverage.

This chart helps explain what's required and for whom.