The following lines contain the word 'select', 'insert', 'update' or 'delete':
SELECT csi.instance_id
INTO l_instance_id
FROM csi_item_instances csi
WHERE csi.instance_id = p_instance_id
AND csi.instance_number = p_instance_number;
SELECT csi.instance_id
INTO l_instance_id
FROM csi_item_instances csi
WHERE csi.instance_number = p_instance_number;