Publication 598
taxmap/pubs/p598-012.htm#en_us_publink100067589Unrelated business taxable income of a veterans' organization
that is exempt under section 501(c)(19) does not include the net income from
insurance business that is properly set aside. The organization may set aside
income from payments received for life, sick, accident, or health insurance for
the organization's members or their dependents for the payment of insurance
benefits or reasonable costs of insurance administration, or for use exclusively
for religious, charitable, scientific, literary, or educational purposes, or the
prevention of cruelty to children or animals. For details, see section 512(a)(4)
and the regulations under that section.