; (3) post the informational materials developed under subsection (c)(3) in an appropriate non-public space within the place of accommodation that is accessible by all employees; (4) require each employee who is physically located at the place of accommodation and who is likely to interact with guests including security, front desk, housekeeping, room service and bell staff to complete the training developed under subsection (c)(2), or a training developed pursuant to subsection (d), that shall— (A) take place not later than 180 days after the starting date of the employee, or in the case of an employee starting employment before the effective date of this section, not later than 180 days after the date of enactment of this section; and (B) include training on the identification of possible cases of sexual exploitation of children and procedures to report suspected abuse to the appropriate authorities; (5) include a notice to all independent contractors in any agreement negotiated or renewed on or after the date of enactment of this section that states the following: Federal law prohibits the trafficking of humans under the Trafficking Victims Protection Act ( 22 U.S.C. 7101 et seq.). ; (6) ensure that the place of accommodation does not retaliate against employees for reporting suspected cases of such exploitation if reported according to protocol identified in the employee training