Provided alwayes, and it is hereby further enacted by the authoritie aforesaid That noe English built Shipp or other Shipp or Vessell belonging to England, Wales or the Towne of Berwicke upon Tweede importing Whale oyle or Blubber or other Fish, Oyle or Whale-finns of Greenland or those Seas shall enjoy any benefitt or priviledge by this Act unlesse such Shipp or Vessell did proceede on her Voyage for Greenland and those Seas from England or Wales or the Towne of Berwicke upon Tweede, and was victualled for the said Voyage in some of those places to be attested by the Collector of the Port where the said Shipp or Vessell was victualled.