As a national federation, you can create national teams according to your needs: tournament-based, age group-based, etc. 

Instructions 

1. Go to mynextmatch.com and provide your login details to continue. 

2. While in the Lobby, click on My Organisations.

3. On the list, click on the Dashboard button next to the Federation in which you are an admin.

4. Click National Teams menu. 

5. Click Create National Teams button

6. Fill out all fields and click Save. 

7. Your national team is ready to use. Click Manage.

That's all!