Its Clearly says that, AN INJUSTICE is caused when actions are taken in terms of Sections 213 and 214 of the procedural Rules of Public Service Commission.

What the Above procedures are saying, officer should be inform the head of the Institution of his absence within 24 Hours. This time frame has been increased to 5 days from the latest Circular.

Rule 213

However, where a public officer is unable to report for duty owing to unavoidable circumstances without getting his leave approved, it shall be the responsibility of the officer to somehow inform the Head of the Institution of his absence within 24 hours of the time of commencement of his duty on that particular day. 

Rule 214

A public officer who absents himself from duty without informing his Head of the Institution as stated above shall be deemed to have vacated his post. It shall be the responsibility of the Appointing Authority or the Head of the Department or Head of its Provincial/ District/ Divisional Office or the Head of the Institution, as the case may be, to issue a Notice of Vacation of Post to the officer concerned forthwith by registered post, in the format of Appendix 14. If the vacation of post notice is issued by an authority other than the Appointing Authority, he shall send copies to the Appointing Authority and to other relevant authorities. 

Source Link - https://youtu.be/h7rxP7nVnQk