In the event someone chooses to go to trial and seeks a remedy, most of the time the result is civil litigation. The process can be complex and difficult. It can be a challenge to go through the system and there are rules which need to be followed. Those rules are called the rules of Civil Procedure.
In business, there are two main types of contracts when interacting with clients. This can be between two businesses or a business and an individual, the form is the same. These agreements are either the sales of goods or the sale of services. Service agreements are governed by the general contract law of the states. Sales for goods are governed by the Uniform Commercial Code
Litigation comes in a variety of different forms. I am not talking about the different reasons people decide to sue, after all there are nearly as many reasons as there are cases currently ongoing. No, there are three main branches of types of cases heard by the courts - criminal, legal, and equitable. Criminal is fairly self explanatory, it is the difference between law and equity where there is some confusion.
The primary difference between a business with a significant profit motive and a non-profit is the tax status of each. Operational decisions still need to be made for each type of entity, though there can be different basis for making the decisions. To be granted the tax exemption, a non-profit must file a Form 1023 with the IRS and have the request approved.
A while ago, I provided a discussion of a leading United States Supreme Court case about defamation, on New York Times Co. v. Sulliavan. The case focused on the first amendment rights in the area of potentially defamatory statements. However, it raises a question of what are the legal tests for defamation.