(1) The department may implement either an angling restriction or a fishing closure pursuant to ARM 12.5.502.

(2) An angling restriction prohibits fishing during that period of the day when water temperatures are the highest, usually between the hours of 2:00 p.m. and midnight. The hours may be extended to cover more of the day if the criteria in ARM 12.5.507 can be established but do not necessitate a fishing closure.

(3) A fishing closure prohibits all fishing on designated waters at all times.