And for the better secureing the Trade of this Kingdom be it further enacted by the authority aforesaid That over and above the Ships of Warr for the Line of Battle and for Convoys to remote parts att least Foure Ships of the Third Rate Sixteen Ships of the Fourth Rate Thirteen Ships of the Fifth Rate and Ten Ships of the Sixth Rate shall be from time to time directed and appointed by the Lord High Admiral of England or Co[m]missioners for executeing the said Office for the time being to such proper stations as they shall deem meet to cruize for secureing the Merchant Ships in their goeing out and returneing home.