insurance relates to— (i) liabilities incurred under workers’ compensation laws, (ii) tort liabilities, (iii) liabilities relating to ownership or use of property, or (iv) such other similar liabilities as the Secretary may specify by regulations, (B) insurance for a specified disease or illness, and (C) insurance paying a fixed amount per day (or other period) of hospitalization. (4) Family coverage The term family coverage means any coverage other than self-only coverage. (d) Tax treatment of accounts (1) In general A Medisave account is exempt from taxation under this subtitle unless such account has ceased to be a Medisave account. Notwithstanding the preceding sentence, any Medisave account is subject to the taxes imposed by section 511 (relating to imposition of tax on unrelated business income of charitable, etc. organizations). (2) Account terminations Rules similar to the rules of paragraphs (2) and (4) of section 408(e) shall apply to Medisave accounts, and any amount treated as distributed under such rules shall be treated as not used to pay qualified medical expenses. (e) Tax treatment of distributions (1) Amounts used for qualified medical expenses Any amount paid or distributed out of a Medisave account which is used exclusively to pay qualified medical expenses of any account beneficiary shall not be includible in gross income. (2) Inclusion of amounts not used for qualified medical expenses Any amount paid or distributed out of a Medisave account which is not used exclusively to pay the qualified medical expenses of the account beneficiary shall be included in the gross income of such beneficiary. (3) Excess contributions returned before due date of return (A) In general If any excess contribution is contributed for a taxable year to any Medisave account of an individual, paragraph (2) shall not apply to distributions from the Medisave accounts of such individual (to the extent such distributions do not exceed the aggregate excess contributions to all such accounts of such individual for such