Please choose the correct ending to complete the given sentence: Home and Garden: [header] How to build a handrail [title] Consult your local building authority to learn about building codes. [step] Learn whether you need a permits for handrail construction and whether there are standard specifications for handrails in your area. It is important to ensure that your home improvement projects are compliant with codes set in place for residential buildings.

Ending1: [substeps] Otherwise, you may be prohibited from adding a handrail and may have a negative impact upon your business. Since you will be managing the construction of your home, it is important to know the regulations currently in place in your area. Ending2: If not, a good hire agency will be impressed if local contractors ask. Look into building codes in your area to help you understand the law within your area. Ending3: [title] Consider starting with handrails in your building code. [step] Handrails are essentially metal tubes that attach to your walls and are comprised of four coils, alternating between wall and floor joints. Ending4: [substeps] If your work requires a permit, make sure to obtain one before adding onto your home in any way. This prevents any issues that may come about with inspections, potential penalties or violations, and issues that could come about if you ever tried selling your home in the future.

Answer format: ending1/ending2/ending3/ending4