Quote Originally Posted by PDLM:
It's a very old thread, but from the linked Customs page:So any import for personal use is clearly exempt.

Any person who imports or exports any article, other than an exempted article, is required to lodge an accurate and complete import/export declaration within 14 days after the importation/exportation of the article.

Seems there's no indication to properly classify if it is for personal use or commercial use.