Employees remain liable for tax in Germany as long as they are not absent for more than 183 days. In the case of mobile work abroad, the tax liability in Germany only ceases if the place of residence is transferred permanently or for more than 183 days. You should always carry an A1 certificate with you on a workation. As an employee, the use of Workation should always be in harmony and in consultation with the employer. This usually also determines how often and for how long an employee may workation per year.