National Parks Regulations, 1988 (S.I. No. 136 of 1988).

The Regulations are divided into 6 Parts: Preliminary (I); Opens season; Entry into National Parks and Camping Sites (II); Motor vehicles and aircraft (III); Boating and fishing within National Parks (IV); general conduct within National Parks (V); Miscellaneous (VI).
Regulation 3 concerns open seasons. Regulation 8 makes fishing in a National Park subject to a licence. Fishing shall be allowed only at designated fishing points.