7.—(1) The Minister may, by licence, permit an individual employer to employ young persons on terms specified in the licence in lieu of any of those referred to in section 6 (1) and may attach to the licence such conditions as the Minister sees fit:

Provided that the Minister is satisfied that—

( a ) the terms of the licence are in compliance with the terms of the Directive,

( b ) the health, welfare and safety of the employees affected will not be endangered, and

( c ) compliance with one or more of the terms of section 6 (1) would be impractical due to the seasonal nature of the work or the technical or organisational requirements of the work or for other substantial reasons.

(2) Before granting a licence under subsection (1), the Minister shall consult such representatives of employers and representatives of employees as the Minister considers appropriate.