According to the clarification, suppliers that have chosen to use Electronic Data Provider Services and submitted the Declaration of Exclusive Data Issuance through a Provider to the tax administration (as the method to comply with the MyData requirements) are required to issue exclusively e-invoices in B2G transactions. This clarification ushers in a partial B2G e-invoicing mandate (a mandatory obligation for the supplier side of a transaction to send e-invoices).
Source: SOVOS
