When you are in the process of signing up for OntarioACHI you will be asked for your InterNACHI membership number, please enter just the numbers not the word NACHI that is in front of the number and you will have no more troubles.
Click here to go to the Join-up page where you can take advantage of all the benefits that membership has to offer. DO NOT USE THIS LINK IF YOU ARE ALREADY A MEMBER OR REGISTRANT! Log in first here and use the renew option from the menu. If you have forgotten your password you can request a new one to be created and sent by clicking here