Section 389-2-3 - POSITION USEA. Once an employee is assigned to an intermittent position, no other employee may be assigned to work that same position unless or until the first employee is separated.B. If during an employment year, an employee resigns an intermittent position before the position has been occupied for 475 hours, the position may be refilled only for the balance which remains.C. An employee who is assigned to work one intermittent position shall not be eligible for employment in any other intermittent position unless and until the first is separated. In any event, if more than one intermittent position is worked during an employment year, the total of hours worked in all these positions is not to exceed 475.18- 389 C.M.R. ch. 2, § 3