Authorities will tighten COVID-19 related restrictions over the Christmas and New Year holiday period amid rising cases linked to the Omicron virus variant. Customers must show evidence of a negative PCR or antigen test result to attend organized New Year celebrations or enter restaurants and casinos Dec. 25-26, 31, and Jan. 1. Outdoor public gatherings will be limited to a maximum of 10 people. In addition, the following measures will apply between Dec. 26 and Jan. 10:

Bars and nightclubs must remain closed.

People will need to show evidence of a negative PCR or antigen test result to enter hotels or attend corporate, entertainment, or cultural events.

A state of calamity is in effect, and the following domestic measures apply:

Facemasks are mandatory in all enclosed public spaces.

COVID certificates proving the holder is vaccinated against, recovered from, or recently tested negative for COVID-19 are required for access to restaurants, gyms, tourist establishments and accommodations, and for events.

A recent negative COVID-19 test is required for access to healthcare facilities, nightclubs, bars, sports events, and large events without fixed seating.

Teleworking is recommended for all where possible.

Restrictions will be tightened further Jan. 2-9; during this period, teleworking becomes mandatory, and schools will remain closed.

As of Dec. 10, all individuals arriving by plane regardless of vaccination or recovery status must present to the carrier proof of a negative PCR or rapid antigen test taken 48 hours before boarding. This can be in the form of an EU Digital COVID Certificate or other accepted certificates. Carriers will likely deny boarding to any travelers not meeting this requirement.

Travelers from EEA-associated states, Brazil, Canada, the UK, and the US, in addition to Argentina, Australia, Bahrain, Canada, Chile, Colombia, Hong Kong, Indonesia, Kuwait, Macau, New Zealand, Qatar, Rwanda, Saudi Arabia, South Korea, UAE, and Uruguay can enter the country for nonessential purposes, including tourism. Travel from other countries remains prohibited except in limited essential cases, including EU citizens and residents returning home, reuniting with family, and commuting for essential work or study purposes.

Authorities could reimpose, extend, further ease, or otherwise amend any restrictions with little-to-no notice depending on disease activity over the coming weeks.