Changes

== Questions ==

== Questions ==

Some Questions related to product versions

Some Questions related to product versions.

* Purchase place - how does the purchase place fit into this?

* Purchase place - how does the purchase place fit into this?

* Expiration date - and the expiration date?

* Expiration date - and the expiration date?

* Production place can be dependent on the expiration date imprint, thus two versions?

* Production place can be dependent on the expiration date imprint, thus two versions?

To be continued.

There should be a clear definition what a product is. The thing I buy in a shop is a product instance with unique packaging, purchase place, expiration date and packaging. Somebody else can buy another product instance in the same shop, same expiration date and packaging. Only the purchase time is different. Other product instance might be bought in the same shop, but with other expiration dates. Or in other shops, but with the same expiration date. All other aspects of the product instance are the same, defining what a product is. The system should allow the registration if these instances. It can be seen as an issue not related to product versions.