To substitute a member in, that person will be required to have an Existing Entry Ninja Account. Alternatively you can invite the member to create an account here: After the person has been invited you will be able to complete the Substitution.

Make sure they double check their ID number / Email address entered and make sure you enter their ID number / Email address correctly during the add member process. Having the ID number / Email address match is crucial in order for our system to recognise the individual so that either the SUBSTITUTION or ADD MEMBER can take place.