Since, however, that request will serve as the basis of the proceedings before the Court and the Court must therefore have available to it all the information that will enable it both to assess whether it has jurisdiction to give a reply to the questions raised and, if so, to give a useful reply to those questions, it is necessary that a decision to make a reference for a preliminary ruling be taken when the national proceedings have reached a stage at which the referring court or tribunal is able to define, in sufficient detail, the legal and factual context of the case in the main proceedings, and the legal issues which it raises.

Subparagraph 1(f) of this Article, unlike Article 56(1)(f) of the Luxembourg Convention, makes no reference to Article 36(1) of the said Convention, but incorporates a substantive rule governing grounds for invalidity.

If a question relating to the verification of credentials is raised when the oldest Member is in the Chair, he shall refer the matter to the committee responsible for the verification of credentials.

Subparagraph 1(f) of this Article, unlike Article 56(1)(f) of the Luxembourg Convention, makes no reference to Article 36(1) of the said Convention, but incorporates a substantive rule governing grounds for invalidity.

Whereas Decision 94/611/EC refers in Table 1 of its Annex to the 'Single Burning Item` (SBI) test which is required for the testing of products for walls and ceilings including their surface coverings, building elements, products incorporated within building elements, pipes and duct components and products for façades/external walls in classes B, C or D;

The Council took a similar view in its "Conclusions" of 16 July 1984 when it confirmed the general need for an extension of the "general reference to standards" practice, but only provided the necessary conditions were fulfilled, i.e. as regards the obligation on public authorities to protect the health and safety of their citizens.