As long as you fill the form out and send it with return receipt so you know they got it that’s all you need to do….> do so ASAP
sending in this form should not interfer with your current claim, if you added a dependent it will help. so they can get your dependent status correct.BUT AS YOU STATED YOUR DEPENDENT STATUS HAS NOT CHANGED SO YOU NEED TO LET THEM KNOW THAT.
they send this form out to veterans at random.
I got one last year! and my dependent status has not change….my spouse is my only dependent and I can’t run her off so my dependent status is still the same.