; or (B) coerce or intimidate any person regarding the exercise or attempt to exercise such right. (2) Opposition to unlawful policies or practices It shall be unlawful for any hospital to discriminate or retaliate against any person for opposing any hospital policy, practice, or actions which are alleged to violate, breach, or fail to comply with any provision of this title. (3) Prohibition on interference with protected communications A hospital (or an individual representing a hospital) shall not make, adopt, or enforce any rule, regulation, policy, or practice which in any manner directly or indirectly prohibits, impedes, or discourages a direct care nurse from, or intimidates, coerces, or induces a direct care nurse regarding, engaging in free speech activities or disclosing information as provided under this title. (4) Prohibition on interference with collective action A hospital (or an individual representing a hospital) shall not in any way interfere with the rights of nurses to organize, bargain collectively, and engage in concerted activity under section 7 of the National Labor Relations Act ( 29 U.S.C. 157 ). (j) Notice A hospital shall post in an appropriate location in each unit a conspicuous notice in a form specified by the Secretary that— (1) explains the rights of nurses, patients, and other individuals under this section; (2) includes a statement that a nurse, patient, or other individual may file a complaint with the Secretary against a hospital that violates the provisions of this title; and (3) provides instructions on how to file such a complaint. (k) Effective date (1) Refusal; retaliation