The previous paper certificate for capital-forming benefits (Anlage VL) was replaced for the first time in 2017 by an electronic capital formation certificate sent directly by the provider to the tax authorities. The tax authorities no longer provide a template for the Anlage VL, and providers no longer send paper certificates.
All that is required is your consent to the data transfer. You now apply for the employee savings bonus by entering a "1" in line 42 of the main tax form.