Guidance: Levels 2 and 3 exam resource book

This resource book contains the reference materials you may need when preparing for or sitting Immigration Advice Authority (IAA) Levels 2 and 3 examinations.

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 2 and 3 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.

The Resource Book has been updated to include minor amendments to the Immigration Rules from Statement of Changes HC334 (effective 26 November 2024, 18 December 2024, and 4 February 2025). It also reflects changes from HC217 (effective 2 January 2025, 18 February 2025, and due 11 March 2025).

New resource book for level 2 and 3 exams uploaded, replacing the January 2024 version.

OISC Exam Booklet for level 2 and 3 has been updated

Updated Exam Resources Book Level 2/3 added

Updated levels 2 and 3 exam resource book

The OISC Competence Assessment resource book for Levels 2 & 3 has been updated.

Updated levels 2 and 3 exam resource book for the OISC assessment.