In accordance with Paragraph AU-4.3.11, licensees must promptly notify the CBB in writing when a person undertaking a controlled function will no longer be carrying out that function. If a controlled function falls vacant, the licensee must appoint a permanent replacement (after obtaining CBB approval), within 120 calendar days of the vacancy occurring. Pending the appointment of a permanent replacement, the licensee must make immediate interim arrangements to ensure continuity of the duties and responsibilities of the controlled function affected. These interim arrangements must be approved by the CBB.