Something just typical about this

Here is some Commission document, detailing discussions about Customs code and tarriff rates. Down near the bottom of the document is this priceless note

Article 15
Transparency
1. The principles and conditions concerning public access to the Committee's documents shall be the same as those defined in Regulation (EC) No 1049/2001 of the European Parliament and of the Council of 30 May 200116. It is for the Commission to take a decision on requests for access to these documents. If the request is addressed to a Member State, that Member State shall apply Article 5 of the abovementionedRegulation.
2. The Committee's discussions shall be kept confidential.

My italics