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.
Each of the titles in the series is an interactive software program designed for students and adult learners who wish to learn the concepts of math and build problem solving skills. Self-paced tutorials allow students to learn and master each concept before moving on to the next.