Multilateral Agreement M330
  Under section 1.5.1 of ADR
  Concerning driver training certificates in accordance with
  8.2.2.8.2 of ADR and safety adviser certificates in accordance
  with 1.8.3.7 of ADR
  (1) By derogation from the provisions of the first paragraph
  of 8.2.2.8.2 of ADR all driver training certificates the validity
  of which ends between 1 March 2020 and 1 February 2021 remain
  valid until 28 February 2021. These certificates shall be renewed
  for five years if the driver furnishes proof of participation in
  refresher training in accordance with 8.2.2.5 of ADR and has
  passed an examination in accordance with 8.2.2.7 of ADR before 1
  March 2021. The new period of validity shall begin with the
  original date of expiry of the document to be renewed.
  (2) By derogation from the provisions of 1.8.3.16.1 of ADR all
  certificates of training as safety adviser for the transport of
  dangerous goods the validity of which ends between 1 March 2020
  and 1 February 2021 remain valid until 28 February 2021. The
  validity of these certificates shall be extended from the date of
  their original date of expiry for five years if their holders
  have passed an examination in accordance with 1.8.3.16.2 of ADR
  before 1 March 2021.
  (3) This agreement shall be valid until 1 March 2021 for
  carriage on the territories of the ADR Contracting Parties
  signatory to this Agreement. If it is revoked before that date by
  one of the signatories, it shall remain valid until the
  above-mentioned date only for carriage on the territories of
  those ADR Contracting Parties signatory to this Agreement which
  have not revoked it.
  For the Competent Authority for
  ADR
  in the Republic of Latvia
  /Signed electronically/
  Ilonda Stepanova
  State Secretary
  of the Ministry of Transport
  of the Republic of Latvia