Can we write retest date in place of expiry date ? If we write what the evidence for that
Expiry date and retest date are different things. The expired material can not be retested for its use.
Sir i am doing job in API
as par some company requirement can i change expire date to retest date ?
Sir can i take change control to change it ?
if i change it what is the evidence to attach in change control ?
Excipients may be retested but API can't be used after its expiry.In API you can mention retest date after 1 year of manufacturing but it should be within the expiry date.Retest date is cross checking before the expiry date.
kept supporting Hold time / stability studies to change control.