; or (B) an alien who is lawfully admitted for permanent residence, is admitted as a refugee under section 207, is granted asylum under section 208, or is an immigrant otherwise authorized by this Act to be employed. (3) The term displace means to lay off a worker from a job that is essentially equivalent to the job for which an H–2B worker is sought. A job shall not be considered to be ‘essentially equivalent’ to another job unless the job— (A) involves essentially the same responsibilities as such other job; (B) was held by a United States worker with substantially equivalent qualifications and experience; and (C) is located in the same area of employment as the other job. (4) The term layoff — (A) means to cause a worker’s loss of employment, other than through a discharge for inadequate performance, violation of workplace rules, cause, voluntary departure, voluntary retirement, or the expiration of a grant or contract (other than a temporary employment contract entered into in order to evade a condition described in subsection (b)(2)(G)); and (B) does not include any situation in which the worker is offered, as an alternative to such loss of employment, a similar employment opportunity with the same employer at equivalent or higher compensation and benefits than the position from which the employee was discharged, regardless of whether or not the employee accepts the offer. (5) The term full time means 30 or more hours per week, except that where a State or an established practice in an industry has developed a definition of full-time employment for any occupation that is less than 30 hours per week, that definition shall have precedence. (6) The term prevailing wage means— (A) if the job opportunity is covered by a collective bargaining agreement that was negotiated at arms’ length between the union and the employer, the wage rate set forth in the collective bargaining agreement