Sales letters require certain elements that help convince a customer to invest in a product or service. A sales letter is an important tool for shaping the way customers think of you.Have you ever tried (or been tasked with) writing a sales letter? The 12-step sales letter template is designed to overcome each of these objections in a careful, methodical series of copywriting tactics. A Fictitious Business Name shall be filed within 40 days of first transacting business. Once registered, it is effective for 5 years. "If you'd like to create marketing campaigns that attract a tsunami of wealthy clients, this is the most important letter you'll read today.". The "Recorder Sample Documents" below is a partial list of commonly used recording forms and a description of each. Request a release to use the information in the sales letter or other promotional pieces. If you are planning to conduct business in the City of Riverside you must obtain a City of Riverside business license, also referred to as a business tax.