Subseries consists of outgoing mail as registered by the Secretariat of the Director General. The series is incomplete. Files prior to 1985 are missing except for one dating from 1983. There are small gaps in files from the beginning of 1985; however, files from that point onwards to 1988 are more complete.

The Publications service of the IBI was responsible for the production and distribution of the Organization's periodicals, such as, for example, Agora, IBI Press and the IBI Newsletter. The service was also responsible for the official documents for conferences, the working documents and the studies published by IBI. The audio-visual unit produced video and audio recordings of conferences, as well as audio-visual material publicizing the activities of the organization. The series contains all types of publications created by the IBI (reports, working documents, conference documents, etc.) in either draft form or in printed, final form which was ready for distribution within or outside the organization.

The series consists mostly of summaries of the decisions taken and agendas for the meetings of the General Assembly and Executive Board. Although the material partly duplicates information found elsewhere, the series was retained to compensate for gaps in the subfonds IBI/1 General Assembly records and IBI/2 Executive Board records.

The Reflection Committee was established by a decision of the IBI Executive Council during its 54th session in April 1986. The Committee's purpose was to evaluate the present situation of the Organization and to reflect on future orientations and prospects. The Committee was composed of former Presidents of the governing bodies of the IBI - the General Assembly or the Executive Council. The series contains correspondence and records of the meeting of the Committee.

The series contains an incomplete set of transcriptions of debates from the sessions of the General Assembly. Only a few sessions have transcriptions.

Series consists of different working files on various aspects of the department's work. Documents include mission reports, correspondence, project documents, plans, budgets and bills.

Series contains documents related to the various aspects of the work of the Arab Region Department.