(1) Where a contract for service employment permit is granted to a foreign national, without prejudice to any other requirement under this Act or to the employment outside the State of the foreign national -

(a) notwithstanding that the remuneration in so far as it relates to salary, is paid to the foreign national outside the State, it shall be a condition of the grant the employment permit that, in respect of the remuneration, in so far as it relates to the salary to be paid to the foreign national by the contractor or the subcontractor, as the case may be, for the period for which the employment permit is granted, the hourly rate of that salary shall be not less than the national minimum hourly rate of pay or, where appropriate to the employment in respect of which the application is made, the hourly rate referred to in paragraph (b) of the definition of "standard working week remuneration", and