Have you recently applied for an NSO?
Does it have remarks at the bottom of the certificate?
My wife had a similar problem and there are now notes at the bottom of the certificate. They did not change the date on the actual certificate.
Pursuant to the decision dated ....... rendered by presiding judge .... of the regional trial court ... , under SP PROC ..., the date of birth is hereby changed from .....
Why did you join a Filipino/British forum when you are planning to go to Japan.