If we have a 1 1/2oz bag and a 9oz bag- normal is 28g per serving - how in the advanced label do we modify this without changing the original formula? Or do we have to always change the formula?

Advanced labels allow you to enter a specific serving size or servings per container amount, while leaving the original recipe the same. For more information on Advanced Labels you can view our Webinar on Advanced Labels here:
https://esha.zendesk.com/hc/en-us/articles/205730219-Creating-Advanced-US-Labels-in-Genesis-R-D-Food-Formulation-Labeling-Software-