This edition of the Guide adds three new examples (4.18b, 4.20 and 4.21) and improves the notes in examples 4.12, 4.18 and 4.19 for further cla rity. In addition, Section 5 of the fourth edition has a number of additional clarifications on issues related to ORB Part I, which were raised by Members, but for which ISTEC can offer an opinion rather than guidance.
EDITION : 4th Edition / 2021