if such employee is a home worker in Puerto Rico or the Virgin Islands, not less than the minimum piece rate prescribed by regulation or order; or, if no such minimum piece rate is in effect, any piece rate adopted by such employer which shall yield, to the proportion or class of employees prescribed by regulation or order, not less than the applicable minimum hourly wage rate. Such minimum piece rates or employer piece rates shall be commensurate with, and shall be paid in lieu of, the minimum hourly wage rate applicable under the provisions of this section. The Administrator, or his authorized representative, shall have power to make such regulations or orders as are necessary or appropriate to carry out any of the provisions of this paragraph, including the power without limiting the generality of the foregoing, to define any operation or occupation which is performed by such home work employees in Puerto Rico or the Virgin Islands; to establish minimum piece rates for any operation or occupation so defined; to prescribe the method and procedure for ascertaining and promulgating minimum piece rates; to prescribe standards for employer piece rates, including the proportion or class of employees who shall receive not less than the minimum hourly wage rate; to define the term “home worker”; and to prescribe the conditions under which employers, agents, contractors, and subcontractors shall cause goods to be produced by home workers;

if such employee is employed as a seaman on an American vessel, not less than the rate which will provide to the employee, for the period covered by the wage payment, wages equal to compensation at the hourly rate prescribed by paragraph (1) of this subsection for all hours during such period when he was actually on duty (including periods aboard ship when the employee was on watch or was, at the direction of a superior officer, performing work or standing by, but not including off-duty periods which are provided pursuant to the employment agreement); or

if such employee is employed in agriculture, not less than the minimum wage rate in effect under paragraph (1) after December 31, 1977.

No employer having employees subject to any provisions of this section shall discriminate, within any establishment in which such employees are employed, between employees on the basis of sex by paying wages to employees in such establishment at a rate less than the rate at which he pays wages to employees of the opposite sex in such establishment for equal work on jobs the performance of which requires equal skill, effort, and responsibility, and which are performed under similar working conditions, except where such payment is made pursuant to (i) a seniority system; (ii) a merit system; (iii) a system which measures earnings by quantity or quality of production; or (iv) a differential based on any other factor other than sex: Provided, That an employer who is paying a wage rate differential in violation of this subsection shall not, in order to comply with the provisions of this subsection, reduce the wage rate of any employee.

No labor organization, or its agents, representing employees of an employer having employees subject to any provisions of this section shall cause or attempt to cause such an employer to discriminate against an employee in violation of paragraph (1) of this subsection.

For purposes of administration and enforcement, any amounts owing to any employee which have been withheld in violation of this subsection shall be deemed to be unpaid minimum wages or unpaid overtime compensation under this chapter.

As used in this subsection, the term “labor organization” means any organization of any kind, or any agency or employee representation committee or plan, in which employees participate and which exists for the purpose, in whole or in part, of dealing with employers concerning grievances, labor disputes, wages, rates of pay, hours of employment, or conditions of work.

Notwithstanding the provisions of section 213 of this title (except subsections (a)(1) and (f) thereof), every employer providing any contract services (other than linen supply services) under a contract with the United States or any subcontract thereunder shall pay to each of his employees whose rate of pay is not governed by chapter 67 of title 41 or to whom subsection (a)(1) of this section is not applicable, wages at rates not less than the rates provided for in subsection (b) of this section.

Notwithstanding the provisions of section 213 of this title (except subsections (a)(1) and (f) thereof) and the provisions of chapter 67 of title 41, every employer in an establishment providing linen supply services to the United States under a contract with the United States or any subcontract thereunder shall pay to each of his employees in such establishment wages at rates not less than those prescribed in subsection (b), except that if more than 50 per centum of the gross annual dollar volume of sales made or business done by such establishment is derived from providing such linen supply services under any such contracts or subcontracts, such employer shall pay to each of his employees in such establishment wages at rates not less than those prescribed in subsection (a)(1) of this section.

who in any workweek is employed in domestic service in a household shall be paid wages at a rate not less than the wage rate in effect under subsection (b) unless such employee’s compensation for such service would not because of section 209(a)(6) of the Social Security Act [42 U.S.C. 409(a)(6)] constitute wages for the purposes of title II of such Act [42 U.S.C. 401 et seq.], or

In lieu of the rate prescribed by subsection (a)(1), any employer may pay any employee of such employer, during the first 90 consecutive calendar days after such employee is initially employed by such employer, a wage which is not less than $4.25 an hour.

In lieu of the rate prescribed by subsection (a)(1), the Governor of Puerto Rico, subject to the approval of the Financial Oversight and Management Board established pursuant to section 2121 of title 48, may designate a time period not to exceed four years during which employers in Puerto Rico may pay employees who are initially employed after June 30, 2016, a wage which is not less than the wage described in paragraph (1). Notwithstanding the time period designated, such wage shall not continue in effect after such Board terminates in accordance with section 2149 of title 48.

No employer may take any action to displace employees (including partial displacements such as reduction in hours, wages, or employment benefits) for purposes of hiring individuals at the wage authorized in paragraph (1) or (2).

Any employer who violates this subsection shall be considered to have violated section 215(a)(3) of this title.

This subsection shall only apply to an employee who has not attained the age of 20 years, except in the case of the wage applicable in Puerto Rico, 25 years, until such time as the Board described in paragraph (2) terminates in accordance with section 2149 of title 48.