The consulate can do any business as a notarius publicus in Norway can perform. This include among other things:
Legalization of Documents
A legalisation is a confirmation of an official signature – this process is an intermediate stage which is often necessary when one needs to show an official document from one country to the authorities in another country (e.g. a Thai birth certificate which is needed to apply for a Norwegian child passport, or a Norwegian marriage certificate which is needed to register one's marriage in Thailand).
Please refer to the two subcategories for more information: