Requirements for travelling to Portugal from Spain via land

I see conflicting information from other sources (maybe not updated yet), but there is this:

The requirements have recently (December 1) been tightened.

2. Arriving to Portugal by Land

Citizens from EU countries considered to be at low or moderate risk must hold a COVID EU Digital Certificate, in the form of vaccination, testing or recovery.

Citizens from countries outside the EU and from EU countries considered to have a red or dark red risk level must present:

• EU Covid Digital Certificate in test or recovery modes, or
• Negative RT-PCR test performed in the last 72 hours, or
• Rapid negative antigen test performed within the last 48 hours

Information on EU countries' risk level: https://www.ecdc.europa.eu/en/covid-19/situation-updates/weekly-maps-coordinated-restriction-free-movement

Cross-border workers, who carry out their professional activity within 30 km of the border, and workers in essential services (transport of goods and passengers, emergency and relief, security and emergency services) must present the Digital Certificate in the modalities of vaccination, test or recovery.

Citizens from Southern African countries, namely South Africa, Botswana, Essuatini, Lesotho, Mozambique, Namibia and Zimbabwe in the last 14 days must undergo RT-PCR test (TAAN) or Rapid Antigen test (TRAGg) to COVID-19 and comply with 14 days of prophylactic isolation at home or in a place indicated by health authorities.