( i ) Any package of imported merchandise which is found by the examining officer to contain any article not specified in the invoice, provided the collector of customs is of the opinion that the omission of such article from the invoice was caused with frau dulent intent. 

[355-218.] 

(j) Boxes, cases, trunks, envelopes, and other containers of whatever character which shall be used as the receptacle to contain or conceal merchandise which is itself subject to forfeiture under the customs laws or which is designed to be misleading as to t he character of such merchandise. 

[355-323.] 

( k ) Any beast actually being used for the conveyance of merchandise forfeitable under the customs laws, with its equipage or trappings, and any vehicle similarly used, together with its equipage and appurtenances, including the beast, team, or other motive  power drawing or propelling the same; but the forfeiture shall not occur unless it appears that the owner of the means of conveyance used as aforesaid, or his agent in charge thereof at the time, was cognizant of the unlawful act. 

[355-323, 324.] 

( l ) Any money or thing of value offered as a bribe or for the purpose of exerting improper influence over a customs officer or employee. DAESTI 

( m ) Any merchandise the importation or exportation of which is effected or attempted in any of the ways or under any of the conditions hereinbelow described: 

1. Upon importation or exportation, either consummate or frustrate, without going through a customhouse. 

[355-310.] 

2. Upon the failure of a person entering merchandise which has arrived from abroad in baggage to declare the same before the proper customs officer. 

[355-309.] 

