The document outlines best practices for justifying changes in the allowance for loan and lease losses (ALLL), emphasizing the need for a comprehensive, well-documented, and consistently applied analysis. It details the factors that examiners consider important, such as qualitative and environmental risks, and provides statistics on recent ALLL trends, highlighting preparation strategies for financial institutions facing examinations. Resources and guidance from Sageworks are available to support institutions in improving their practices related to ALLL.