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A regulatory system can have a set of input controls, which would dictate what technology can be used, where and when fishermen can fish, and how much they are allowed to take out. This would include establishing closed areas and quotas. Setting up a system purely regulated by input controls would be ineffective, because companies merely have to comply with the laws, and there is little incentive for them to actually work towards a sustainable fishery.
Another method of regulation would be uniform performance standards, or setting output controls. This method sets a target - for example, a fishery must be maintained at the level of the Maximum Sustainable Yield - for a fishery, and it is up to the fishery to decide how to reach that target.
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