Yes, a prerequisite is that you both have a Registry-Registrar agreement with The Swedish Internet Foundation. An alternative is for one of you to be a subregistrar that enters into agreements with customers on behalf of the Registrar.
Updated 22 May, 2020
The Swedish Internet Foundation is an independent, business-driven and public-benefit organization. We work for an internet that contributes positively to people and society. We are responsible for the internet's Swedish top-level domain .se and manages the operation and administration of the top-level domain .nu. The revenue from our business finances a number of initiatives in order to enable people to use the internet in the best way, and to stimulate the sharing of knowledge and innovation with a focus on the internet.