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mass layoff

Defined in 1 place of the United States Code.

the term “mass layoff” means a reduction in force which—

(A) is not the result of a plant closing; and

(B) results in an employment loss at the single site of employment during any 30-day period for—

(i) (I) at least 33 percent of the employees (excluding any part-time employees); and

(II) at least 50 employees (excluding any part-time employees); or

(ii) at least 500 employees (excluding any part-time employees);

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