Headed down for a 10 day charter beginning 4/9/18 with BVIYC. I sent them a email a couple of days ago asking if our catamaran was registered as a "fishing vessel" and explained that we would like to be able to drag a line.
They said that it was not, but then explained that they would (and did) apply for the permit, which they will now issue in the BVI for pleasure charter vessels. As soon as they make application, you can apply for your fishing license.
You cannot apply for a fishing license earlier than 2 weeks out, and you cannot apply if you are within 5 days of your charter start date.
Contact your charter company and ask them to register your boat as a fishing vessel.
More information here:https://www.carefreecharters.com/bvi-fishing.htm