Section 1927 Of Article 3. Implied Warranties Peculiar To Marine Insurance From California Insurance Code >> Division 2. >> Part 1. >> Chapter 1. >> Article 3.

. Where the nationality or neutrality of a ship or cargo is expressly warranted, it is implied that:
  (a) The ship will carry the requisite documents to show such nationality or neutrality.
  (b) It will not carry any documents which cast reasonable suspicion thereon.