53Application for a variation of a single interest employer authorisation to remove or add an employer

53  Application for a variation of a single interest employer authorisation to remove or add an employer   An application under subsection 251(1) or (3) of the Act for a variation of a single interest employer authorisation must be accompanied by a copy of the authorisation to be varied. Part 4—Regulated labour hire arrangement orders Note: This Part is reserved for future use.   Part 5—Transfer of business