Financiers must report by month's end
Isle of Man financial institutions have just two weeks to demonstrate their compliance procedures to international assessors.
The deadline for submitting 2015 US FATCA reports to government's Income Tax Division is Thursday 30 June.
That's also the date by which UK IGA reports for 2014/15 must be made.
Both types of report must be completed online - guidelines on how to do so can be found via the government's website gov.im.
Institutions which haven't yet registered with the Income Tax Division, which can also be done via the website, are advised to do so by Thursday 23 June.