The Regiment is a peacetime organisation in charge of training and raising a mechanized wartime brigade. I 19 is to train the vast majority of the new Norrbotten Brigade’s five battalions and supporting units, training fractions of it each year. When the brigade is fully mobilized, it will include three manoeuvre battalions with supporting units.

I 19 is also in charge of maintaining and developing cold weather skills for the Swedish Armed Forces through the Swedish Armed Forces Subarctic Warfare Centre.

The regiment is based in Boden also maintains logistical support and firing ranges from Härnösand in the south the Kiruna in the north.