The Brazilian tax authority informed that the maintenance previously disclosed regarding the stop of the National Environment of the NF-e, from 13 May, 2022 (at 10 pm) to 16 May, 2022 (00:00), will NOT impact the authorization of fiscal documents (NF-e, NFC-e, CT-e, MDF-e and BP-e), whether for internal or interstate operations. Thus, it will not be necessary to activate the contingency for any State.
Source: http://www.nfe.fazenda.gov.br/portal/informe.aspx?ehCTG=false&Informe=gv5XFF3hh0Y=