It is unlawful for a principal to discriminate against a contract worker on transgender grounds--
(a) in the terms on which the contract worker is allowed to work, or
(b) by not allowing the contract worker to work or continue to work, or
(c) by denying the contract worker access, or limiting the contract worker's access, to any benefit associated with the work performed by the contract worker, or
(d) by subjecting the contract worker to any other detriment.