instructions qui accompagnent le W-8: instructions qui accompagnent le W-8: instructions qui accompagnent le W-8: Instructions for Form W-8BEN - Expiration of Form W-8BEN https://www.irs.gov/instructions/iw8ben/ch01.html Expiration of Form W-8BEN https://www.irs.gov/instructions/iw8ben/ch01.html W-8 Ben Instructions https://www.irs.gov/instructions/iw8ben/ch01.html instructions qui accompagnent le W-8: http://www.irs.gov/instructions/iw8ben/ch01.html instructions qui accompagnent le W-8: https://www.irs.gov/instructions/iw8ben/ch01.html