With the introduction of the SPONSOR-checkout last week, a defect sneaked in which permitted a Sponsor (aka Guest) to buy a non-Guest item on the webstore. This is now resolved, i.e. only a Guest-product can be assigned to a non-student including a Sponsor.

The table below illustrates all the possible outcomes.

Is StudentProduct for GuestsCan be assigned to user at checkout?
YESYESYES
YESNOYES
NOYESYES
NONONO