International Institute of Welding (IIW) diploma holders may apply for the AWS CWI certification through the CWI by IIW Waiver program.
IIW diploma holders who are seeking to become CWIs will be exempt from testing to the Part A (Fundamental) exam and are required to pass the Part B (Practical) and Part C (Codebook) exams of the three CWI exams to obtain their credential: