I’ve just read from one of the forums that bank statement is not necessary...some people got approved with just NOA and other proofs excluding bank statement. I think NOA is the most important. I guess it has more to do with the stability of income rather than what’s in the bank statement. But we are not opposed to providing one if it’s really needed.Your finances ought to be mandatory with a super visa application.
If there's one thing I noticed, the Manila VO seems to be more lenient with visiting grandchildren as a reason.