Motions raised at the annual business meeting require support by two-thirds of the members present to be accepted. Meetings last from three to four days. Topics and the location of the conference for the following year will be discussed at the business meeting and voted on by the members present. Attendees are expected to stay for the whole period of the conference. Presenting members are allowed to bring one person from their laboratories to the meeting.
Guests are welcome to accompany the group members to enjoy the facilities and the social events.
The annual meeting shall be held on the same continent for no more than two consecutive years. New members will be required to provide one letter of support from a current ISBN member plus one additional letter that may be from a non-member.