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.
If you have proficiency with something, you are pretty good at it. If you have proficiency with Spanish, you can understand and communicate well in that language. Proficiency, pronounced pro-FISH-en-cee, comes from the Latin word proficere, meaning accomplish, make progress, be useful.. If you have achieved proficiency in something, you have done well at gaining a skill. However, having proficiency doesn't make you an expert. Still, proficiency is something to be proud of â it means you have worked hard, and if you keep going, you probably will become an expert.