We have 6 months and 10 years for tax stuff here in Switzerland too. I thought it was quite reasonable. At least there is a set date when you can and have to de

We have 6 months and 10 years for tax stuff here in Switzerland too. I thought it was quite reasonable. At least there is a set date when you can and have to delete stuff. You are also not allowed to use a customer database for advertising if the customer is no longer one for more than 6 months.