Guidance: Level 1 exam resource book

This resource book contains the reference materials you may need when preparing for or sitting Immigration Advice Authority (IAA) Level 1 examination.

This file may not be suitable for users of assistive technology.

This resource book contains the information you need for reference during Immigration Advice Authority (IAA) level 1 exams.

The exam resource book is dated May 2026 and in the interests of fairness to exam candidates, IAA assessment questions will be based on the law contained within these documents at the time of writing.

The December 2025 resource book has now been uploaded.

This version of the resource book contains the law as of 1 September 2025.

This version of the Resource Book has been updated to include minor amendments to the Immigration Rules now brought into force (on 12 March, 2 & 9 April 2025) by Statement of Changes HC733 published on 12 March 2025.

This version of the Resource Book has been updated to include the following: - Minor amendments to the Immigration Rules now brought into force on 2 January 2025 and 18 February 2025. - Upcoming amendments due to be brought into force on 11 March 2025, as outlined in Statement of Changes HC217, published on 10 September 2024.

New resource book for level 1 exams added, replacing the January 2024 version.

Exam Resources Book LVL 1 has been updated

Updated Exam Resource Book LVL 1 now available

The OISC Competence Assessment resource book has been updated for Level 1