A contract is an agreement entered into by two parties or more with the intention of creating a legal obligation, which may have elements in writing. wikipedia.org

Law is a system of rules and guidelines which are enforced through social institutions to govern behaviour. wikipedia.org

In common law legal systems, a contract is an agreement having a lawful object entered into voluntarily by two or more parties, each of whom intends to create one or more legal obligations between them. wikipedia.org

Contract management or contract administration is the management of contracts made with customers, vendors, partners, or employees. wikipedia.org

Tax law is an area of legal study dealing with the statutory, regulatory, constitutional, and common-law rules that constitute the law applicable to taxation, which is the method by which the government levies on economic transactions. wikipedia.org

Legal research is "the process of identifying and retrieving information necessary to support legal decision-making. In its broadest sense, legal research includes each step of a course of action that begins with an analysis of the facts of a problem and concludes with the application and wikipedia.org

Corporate law is the study of how shareholders, directors, employees, creditors, and other stakeholders such as consumers, the community and the environment interact with one another. wikipedia.org

An income tax audit is the examination of a business or individual tax return by the IRS or state tax authority. The IRS and states interchangeably use the terms audit, examination, review, and notice to describe the enforcement of tax codes and filing returns accurately. wikipedia.org

A nonprofit organization (NPO) (also known as a non-business entity) is an organization whose purpose is something other than making a profit.