Article 42 of the KSA Income Tax Law outlines the tax implications of significant changes in a partnership's composition. It specifies that if partners enter or retire, leading to a 'reconstitution,' all partnership assets are considered transferred to the new entity in exchange for shares. A reconstitution is legally defined as a change in the partnership's membership exceeding 50% of its formation in the year preceding the change. This rule treats a substantial ownership shift as a deemed disposal of assets to the newly constituted partnership, establishing a clear tax event for such transactions.