[Sidenote: Masters of Vessels arriving from Foreign Parts to declare what Aliens are on board or have landed from their Vessels. Penalty for Omission of Declaration. Not to extend to Foreign Mariners navigating the Vessel.] II. And be it further enacted, That the Master of every Vessel which after the Commencement of this Act shall arrive in this Realm from Foreign Parts shall immediately on his Arrival declare in Writing to the Chief Officer of the Customs at the Port of Arrival whether there is, to the best of his Knowledge, any Alien on board his Vessel, and whether any Alien hath, to his Knowledge, landed therefrom at any Place within this Realm, and shall in his said Declaration specify the Number of Aliens (if any) on board his Vessel, or who have, to his Knowledge, landed therefrom, and their Names, Rank, Occupation, and Description, as far as he shall be informed thereof; and if the Master of any such Vessel shall refuse or neglect to make such Declaration, or shall wilfully make a false Declaration, he shall for every such Offence forfeit the Sum of Twenty Pounds, and the further Sum of Ten Pounds for each Alien who shall have been on board at the Time of the Arrival of such Vessel, or who shall have, to his Knowledge, landed therefrom within this Realm, whom such Master shall wilfully have refused or neglected to declare; and in case such Master shall neglect or refuse forthwith to pay such Penalty, it shall be lawful for any Officer of the Customs, and he is hereby required, to detain such Vessel until the same shall be paid: Provided always, that nothing herein-before contained shall extend to any Mariner actually employed in the Navigation of such Vessel during the Time that such Mariner shall remain so actually employed. [Sidenote: Alien on Arrival from Abroad to declare his Name, Description, etc., and produce his Passport.]