A teacher shall lose seniority for any of the following reasons:
a) the teacher resigns
b) the teacher is employed by another school division on a regular contract
c) the teacher is not re-employed within two (2) calendar years after September 30th following the date of layoff
d) the teacher fails to return to work after the termination of any leave granted by the Board
e) the teacher’s contract is terminated for cause
f) any teacher on the re-employment list who refuses to accept a position for which the teacher has the necessary training, academic qualifications, experience and ability to perform the work in the position offered, shall forfeit all rights of seniority and re-employment.