Dear fi experts
i am sd consultant i have one doubt regarding tax code
ex : in ob45 t.code if we double click on account key mw1 here if you click on rules button , here we can maintain tick mark in tax code field
then for particular c.type Tax code is mandatory in vk11 ...
but my doubt is if we maintain tax code in vk11 mandatory and if we dont maintain tax code is not mandatory in finance what will affect ?
i mean when ( in which business process we maintain mandatory in vk11)
what accounts will updated
plz tell me thanks a lot