The registration for the XIX ISA World Congress of Sociology is now open. Do not miss the date! In order to be included in the program, the ISA congress participants must pay a full registration fee before March 20, 2018. All ISA members benefit from a discount registration fee. If you plan to renew or acquire ISA membership, remember that the processing takes 2 to 3 days. Read more about the Congress registration fees and ISA membership.