When a player turns 16, you will be able to move that player in to your U18's team via your MyWRU profile.
Step 1. Log in to your MyWRU account.
Step 2. Go to Manage Organisations
Step 3. Go to Teams.
Step 4. Select 'view details' on your U16's team.

Step 5. Click on 'view details' next to the player. If the player has turned 16, you will see a 'change team' option.
Step 6. Proceed to select the U18's team and click save.
Step 6. Proceed to select the U18's team and click save.

Your player will now appear in your U18's team.
Should you wish to, you can move the player back to their U16s team at any point.