What vacancies within the state can an employee who has been laid off apply for?

In accordance with K.A.R. 1-6-23 each employee, who is laid off, demoted or transferred in-lieu-of layoff, shall be in a reemployment pool. Each employee in the reemployment pool shall be eligible to apply for any vacancy to be filled, including any internal vacancy, until the employee is reemployed or for three years from the date of the layoff, whichever occurs first.