This product only includes Tabs ONLY for the book NASCLA Maryland, Home Improvement Commission 6th - Descritpion of the The NASCLA Home Improvement Salesperson Reference Guide is organized into two sections. Part 1 focuses on preparing you for the licensing exam. This section will help you understand licensing requirements, estimating, and contract management. Part 2 covers completion of the home improvement licensing application including fees, instructions, and sample forms.