Hadhramout University president resolution No.(119) in 2020 issued on September 5, 2020, stated after -the preamble- to postpone the sabbatical leave of Dr. Ahmed Mubark Alsaba'ai under the article No.(1), as he is a Professor at Engineering and Petroleum college / chemical engineering department of the academic year 20212022. Article No.(2) stated the decision shall be enforced from the date of its issuance, and the concerned authorities must approve and implement it.