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The Substantial Presence Test (SPT) is a criterion used by the Internal Revenue Service (IRS) in the United States to determine whether an individual who is not a citizen or lawful permanent resident in the recent past qualifies as a "resident for tax purposes" or a "nonresident for tax purposes"; [1] [2] it is a form of physical presence test.
The IRR99 make legal requirements including prior authorisation of the use of particle accelerators and x-ray machines, the appointment of radiation protection supervisors (RPS) and advisers (RPA), control and restriction of exposure to ionising radiation (including dose limits), and a requirement for local rules.
The "no-stop limit", or "no-decompression limit" (NDL), is the time interval that a diver may theoretically spend at a given depth without having to perform any decompression stops while surfacing. The NDL helps divers plan dives so that they can stay at a given depth for a limited time and then ascend without stopping while still avoiding an ...
An occupational exposure limit is an upper limit on the acceptable concentration of a hazardous substance in workplace air for a particular material or class of materials. It is typically set by competent national authorities and enforced by legislation to protect occupational safety and health .
This allows a person whose employer has a 401(k) or 403(b) and a 457 to defer the maximum contribution amounts to both plans instead of coordinating the total and only being able to meet a single limit amount. Thus, participants can contribute the maximum $19,500 for 2021 into their 401(k) and also the maximum $19,500 into their 457 plan.
In mechanical engineering, limits and fits are a set of rules regarding the dimensions and tolerances of mating machined parts if they are to achieve the desired ease of assembly, and security after assembly - sliding fit, interference fit, rotating fit, non-sliding fit, loose fit, etc.
90) has shown that option contracts can mitigate the hold-up problem (an underinvestment problem that occurs when the exact level of investment cannot be contractually specified). [9] However, there is a debate in contract theory whether option contracts are still useful when the contractual parties cannot rule out future renegotiations. [ 10 ]
Section 305 of the Act prohibited federal employees from striking. [16] This prohibition was subsequently repealed and replaced by a similar provision, 5 U.S.C. § 7311, which bars any person who "participates in a strike, or asserts the right to strike against the Government of the United States" from federal employment.