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.
What you ve just described, which is the ability to comprehend in some sense what s read, to go beyond that and to use the material, is the underlying definition of what it means to be proficient. Grover (Russ) Whitehurst, Ex-Director (2002-08), Institute of Education Sciences, U.S. Department of Education.