1. Overview 

This current edition of Part A of the PCT‑EPO Guidelines deals with filing requirements (Chapter A‑II), fees (Chapter A‑III), certain special provisions (Chapter A‑IV), drawings (Chapter A‑V), and certain formal requirements (Chapter A‑VI), languages (Chapter A‑VII) and common provisions (Chapter A‑VIII). Other chapters relating to formalities will gradually be added in successive editions.