Where any statutory provision provides a particular manner for doing a particular act then that thing or act must be done in accordance with the manner prescribed. 

Attendance:

• Supervisory officer to nominate a person [with alternative] to be in charge of attendance.
• Immediately after grace time is over, register to be placed before the Head of office/branch
• S/He to score out the unmarked lines and append her/his initial at the bottom most line. [This is how s/he marks her/his attendance since traditionally the name of the Head of office is not entered in the attendance register though the office procedure specifically give any exemption. ] 

Receipt of correspondence:

• All communications are to be received only by the person(s) assigned with the work. 
• Any communication marked or addressed to an official cannot be refused to be received for any reason whatsoever. [just as received by post]
• The section head who will keep the Office Date Stamp and the numbering machine in safe custody will cause the Date seal and number are put thereon and put her/his initial on all communications received and then put up to the head office office/branch.
• Communications not pertaining to the office may be transmitted to concerned office or returned back to sender by proper endorsement by N.Dis.

Acknowledgement: 

• Office procedure do not provide for issue of acknowledgement by the receiving clerk before assigning 'Inward receipt number' / file number.
• Statutory acknowledgement [Example: Refund Application] to be issued only by the proper officer as per the law.
• Etiquette demands that any communication to a government official is to be placed in envelop, sealed and addressed. 
• Where sender wants acknowledgement for receipt of the envelop, sending by RPAD could be the best option.
• A formal acknowledgement / interim reply may be sent from the concerned file duly signed by the proper officer.

Office infrastructure:

• Telephone, stationery, office machines and vehicles are to be used only for the purpose for which provided.  Any personal use to be paid for.
• Personal use of office infrastructure to be discouraged since it would eat away the office hours, make them unavailable for office use and would increase office expenses.