How do I use an invitation with a valid membership?

Having a membership and paying part of your bills requires:

login to your Gym+ profile;

click on the “PRICES” button;

scroll to the bottom, to the “INVITATION” section;

click on the “REDEEM” button;

fill in the invitation code and activate;

after completing these steps, email:

In the body of the email, please state the reason for your wish to have a membership and to have your bills partially covered.