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.
I see proficiency as oneâs ability to perform the tasks required to do the job, having the right skill-set, etc. Performance refers to how well one performs those required tasks, exceeding expectations vs. meeting expectations, and so on.