Colleague of mine here in Germany asked to reduce her hours to part time, the company said no, so she presented them a proforma letter she printed off the inter

Colleague of mine here in Germany asked to reduce her hours to part time, the company said no, so she presented them a proforma letter she printed off the internet and now she works part time. Turns out in Germany if you ask to reduce your hours they have to let you, but they don't need to increase them again if you want to go back to full time.