1. Unless otherwise provided in this Regulation or in national law, the Office, Examination Offices referred to in Article 55 (1) and the courts or authorities of the Member States shall on request give assistance to each other by communicating information or opening files related to the variety, and samples or growing thereof for inspection. Where the Office and the Examination Offices lay files, samples or growing thereof open to inspection by courts or public prosecutors' offices, the inspection shall not be subject to the restrictions laid down in Article 88, and the inspection given by the Examination Offices shall not be subject to a decision of the Office pursuant to that Article.
2. Upon receipt of letters rogatory from the Office, the courts or other competent authorities of the Member States shall undertake on behalf of that Office and within the limits of their jurisdiction, any necessary enquiries or other related measures.