Request for Interpretation of Class Rules concerning location of wind indicators and telltales.

Request for interpretation of IOM Class Rules from USA NCA regarding clarification on the location of wind indicators and telltales:

Question 1:
Under F.3 Mast a wind indicator and/or its fitting is optional under Fittings. No location restriction is given. Can a wind indicator be located anywhere on the mast, shrouds, backstay, or backstay crane?

Question 2:
Under G.3.1 Construction tell tales are optional. No location restriction is given. Can a tell tale be located anywhere on the mainsail, including trailing aft of the leech?