The principal Act is amended so as to provide for the authorization of external fishing by Seychelles vessels. "Seychelles vessel" is defined in section 2 as "a vessel required to be registered under the Merchant Shipping Act and a local fishing vessel". No Seychelles vessel shall be used for fishing outside Seychelles waters, except under and in accordance with section 17A, introduced in the principal Act by this Act. Seychelles vessels may be authorized by the Seychelles Fishing Authority to f