The Montgomery Commission shall provide not less than 60 days’ advance notice and maintain at all times a formal plan of outplacement assistance for each Montgomery Commission employee who is represented by a certified representative and will be adversely affected by a service contract that is subject to this subtitle. The plan described in subsection (a) of this section shall include: efforts to transfer or place each adversely affected Montgomery Commission employee in a vacant Montgomery Commission position that the employee is qualified to perform; a requirement in the service contract that the contractor shall: notify the Montgomery Commission of any vacant position for which displaced Montgomery Commission employees may apply; and consider and give preference to hiring displaced Montgomery Commission employees; and written notification of the anticipated adverse effect on one or more job classifications to the certified representative at least 90 calendar days before the anticipated adverse effect will occur.