This Standard Document has integrated notes with important explanations and drafting and negotiating tips. Get full access to this document with Practical Law.A simple form asset purchase agreement (APA) for the sale and purchase of a small business, operating from a single freehold site, as a going concern. This Practical Law Company Microsoft Word template is for a standard bill of sale to accompany an asset purchase agreement. It includes drafting notes. Mineral Purchase and Sale Agreements.