I never had to deal with it, and I don't use Lacerte, but it sounds like you enter it as a regular W-2, BUT make some adjustments. This article seems to walk you through it:
But again, I don't use Lacerte, so perhaps Lacerte has a mechanism built-in to it.
Agree, same way you do with a W-2. See also a not too distant discussion on USVI reporting:
Still an AllStar