There are three forms to get your Canadian Passport Application guarantor items in order.
The PPTC140 is the adult passport application with the old guarantor policy. This old form stipulated that you had to be a professional (doctor, lawyer, etc.), and know someone for more than 2 years, in order to act as a guarantor. This old form is available on Passport Canada’s website.
For Canadian living in the United States, the PPT 153 is another form where you need to know a valid Canadian passport holder living in the U.S. This form is also available at Passport Canada’s web site. If for whatever reason you cannot get the PPCT140 ( you don’t have someone who has known you for more than 2 years) or you do not know anyone in the United States who holds a Canadian Passport, then you need the PPT 132. It is only available by telephone or at a Passport Canada service location within Canada as a result of a recent decision by The Department of Foreign Affairs.