The Register of Members’ Interests Rules: consolidated edition September 2016 can be found here.
The following extract may be of particular interest.
12. The printed copy of the Register referred to in Rule 3 shall be available for inspection free of charge in the Tynwald Library during normal hours.
13. Any person giving the Registrar of Members’ Interests 24 hours written notice, shall be entitled to see a printed copy of the Register updated to the day of inspection, and to receive that copy, or any part of it, on payment of a copying charge determined from time to time by the Tynwald Management Committee.