No they stopped taking paper applications anymore and wordings on nomination letter is outdated. You should apply online now . Don’t send any paper applications. Here is link where and how to apply.The certificate of nomination from Ontario said to submit the documents by sending it to IRCC. So is the application in paper or should I apply online?
https://www.canada.ca/en/immigratio...ces/immigrate-canada/how-to-apply-online.html