If the individual has family HDHP coverage, he can contribute to his HSA up to the family limit. See page 4 of this IRS reference: <a rel="nofollow" target="_blank" href="
https://www.irs.gov/pub/irs-pdf/p969.pdf">https://www.irs.gov/pub/irs-pdf/p969.pdf</a>
**Answers are correct to the best of my ability but do not constitute tax or legal advice.
