У вашего броузера проблема в совместимости с HTML5
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Universal Account Number is a permanent number and one or many PF Account numbers of employees are associated with it.
Date of exit is associated with a PF account number for employment of an employee with a company/factory/establishment.
So just give your UAN number to the new employer, the PF account details along with all details associated with the account including Date of exit would be updated.