When a unit member has been assigned in writing by the department head or designated representative to perform the work of a permanent position having a different classification and being paid at a higher rate, and if he/she has worked in such classification for forty (40) consecutive work hours he/she shall be entitled to payment for the higher classification, as prescribed for Promotions in Section 5.6 of this Memorandum of Understanding retroactive to the first workday and continuing during the period of temporary assignment, under the conditions specified below:
(1) The assignment is caused by the absence of the incumbent;
(2) The unit member performs the duties regularly performed by the absent incumbent, and these duties are clearly not included in the job description of his/her regular classification;
(3) The assignment to work out of classification which extends beyond twenty (20) working days be approved by the Human Resources Department Director, a copy of the approval form to be given to the unit member; and
(4) A copy of the department head’s written approval must be submitted in advance to the Human Resources Department Director. If the Human Resources Department Director determines that he/she will not approve pay for work in the higher classification which exceeds twenty (20) workdays, the unit member will be so notified and have the opportunity to discuss this matter with the Human Resources Department Director whose decision shall be final.