Two exit windows with plastic coated, fully opened diamond meshes shall be attached to the codend of trawls and Danish seines in the cod fishery. The mesh opening shall be no less than 105 mm. The exit windows shall be attached with a separate piece of netting (between the ordinary diamond meshes and the meshes of the exit window). The mesh size of the separate netting shall be identical to the bar length of the exit window times the square root of two.