Hey!
I have the ns flex weekend vrij abonnement with a billing period of the tenth of one month until the ninth of the next. So from December 10th until January 9th at the moment and I used it yesterday (December 10th)
If I change the abonnement to weekend voordeel today on December 11th, how much do I have to pay then for the one day it was still weekend vrij and not weekend voordeel?
Thanks for your help!