Do I have to do an inventory? All agencies are required to do a physical inventory at least once a year, pursuant to NRS 333.220.When creating a record for inventory, agencies will utilize the Fixed Asset (FA) document using a fixed asset type of "U". Fixed Asset Inventory Maintenance. I'm purchasing an existing business in Nevada as an asset sale. I'm creating a new NV entity to eliminate all previous. A nevada residential purchase agreement is a document that contains all of the terms and conditions of a transaction involving the sale of a home. We are an asset sale and business law firm serving the Las Vegas area. We help businesses acquire assets, negotiate contracts, and deal with debt issues. All personal property used for the business should be listed completely and accurately.