1. Determine if you are required to file a tax return. You are required to file a federal income tax return if you are a citizen or resident of the United States or a resident of Puerto Rico. Your marital status, age, filing method, and income all affect whether or not you are required to file taxes.
proficiency testing. proficiency testing. a program in which specimens of quality control material are periodically sent to members of a group of laboratories for analysis, with each laboratory's results compared with those of its peers. See also: proficiency samples.
Proficiency is described as a mastery or skill with a tool. The following is a list of areas that need to be mastered in order to claim proficiency status. Know the Language. The first core element needed to be proficient in Microsoft Excel is knowledge of the language. Every industry or occupation contains its own jargon. Such a terminology is specific to that field and is usually unknown by members outside of that field.