Fig. 1.

Processes in the OECD TGP, from the idea described in the Standard Project Submission Form (SPSF) to the publication of the final document. The dotted line indicates a simplified adoption procedure that has been put into effect by which endorsement by the Joint Meeting automatically implies adoption by the OECD Council (Abbreviations: NGO: non-governmental Organisation, BIAC: Business and Industry Advisory Committee to the (OECD), TG: test guideline, WNT: Working Group of National Co-ordinators of the Test Guidelines Programme).