Artikel 13

1. On written request, officials specially designated by the requesting administration may, with the authorization of the requested administration and subject to conditions the latter may impose, for the purpose of investigating a customs offense:
a) consult in the offices of the requested administration the documents, registers and other relevant data held in those offices to extract any information in respect of that customs offense;
b) take copies of the documents, registers and other data relevant in respect of that customs offense;
c) be present during any inquiry by the requested administration relevant to the requesting administration in its customs territory; and
d) communicate the result of an inquiry under c) as well as any other information to their Customs Administration.
2. When officials of the requesting administration are present in the territory of the other Contracting Party, in the circumstances provided in paragraph 1 of this Article, they must at all times be able to furnish proof of their official capacity.
3. The officials of the requesting administration shall, while present in the territory of the other Contracting Party, enjoy such protection and assistance from the requested administration as is available under the domestic law of the other Contracting Party. Notwithstanding this provision, and to the extent consistent with any applicable immunities, the officials will be responsible for offenses they might commit.