As previously reported by Pagero in an earlier update, Denmark is mandating the use of digital bookkeeping systems (DBS). There are two categories of DBS in Denmark: standard and custom (also known as specially developed).   The requirements for the standard DBS have been known for quite some time, such as stricter IT security and e-invoicing capabilities, and many accounting software providers have already been registered with ERST.   For the custom DBS, the requirements have just been released and are practically identical to the requirements of the standard systems. However, unlike the standard DBS, where the responsibility of fulfilling...