For purposes of this chapter, the term “rail employer” means any person who is an employer as defined in section 1 of the Railroad Unemployment Insurance Act.
For purposes of this chapter, the term “rail wages” means, with respect to any calendar month, so much of the remuneration paid during such month which is subject to contributions under section 8(a) of the Railroad Unemployment Insurance Act.
For purposes of this chapter, the term “employee representative” has the meaning given such term by section 1 of the Railroad Unemployment Insurance Act.