difference ordinary official passport
An official passport is a passport which is issued to someone who must travel internationally on official state business. These passports are issued specifically to people who need to travel, rather than to people who are being assigned or posted overseas.
Regular passport. The regular (blue) passport is issued to Canadian citizens for occasional travel, such as vacations and business trips. The regular passport has 36 pages. The current maximum validity period varies with the age of the passport holder: Adults (16 years of age or over): have the option of a 5-year or 10-year passport.