The Lokpal and Lokayuktas Act, 2013
9. Member to act as Chairperson or to discharge his functions in certain circumstances.
1. In the event of occurrence of any vacancy in the office of the Chairperson by reason of his death, resignation or otherwise, the President may, by notification, authorize the senior-most Member to act as the Chairperson until the appointment of a new Chairperson to fill such vacancy.
2. When the Chairperson is unable to discharge his functions owing to absence on leave or otherwise, the senior-most Member available, as the President may, by notification, authorise in this behalf, shall discharge the functions of the Chairperson until the date on which the Chairperson resumes his duties.