From 7pm on December 24 to 7am on Christmas Day, the USDA's Animal and Plant Health Inspection Service is letting 'Mr S Nicholas Claus' enter the US 

The USDA pegs St Nick of the North Pole as a 'broker with Worldwide Gifts, Unlimited' 

Reindeer 'must undergo additional tests to ensure they will be able to safely handle significant changes in altitude and temperature'

A special veterinarian's note was offered for Rudolph, stating that his 'red nose syndrome' was not an 'animal health concern'

The vet was said to have vaccinated the reindeer from any diseases that they could encounter across the world

According to the Norad Santa tracker, Santa has already delivered gifts for just over 2billion people