in subsection (b)—
in paragraph (4), by striking and the District of Columbia. and inserting , the District of Columbia, and Guam; ;
by adding at the end the following new paragraph:
the term Territory or possession outside the continental United States does not include Guam.
by adding at the end the following:
(g) Limitation on applicability
This section shall only apply to Guam during periods in which Guam has in effect worker’s compensation regulations that are comparable to the laws and regulations of worker’s compensation regulations in any of the 50 States.