1 Round, square, rectangular and asymmetrical shapes. 2  1/8 to 12 (3.1 mm to 305 mm) diameter and lengths up to 12 (305 mm). 3  Material thickness: .002 to .187 (0.05 mm to 4.75 mm). 4  Flat and corrugated metal diaphragms: 0.200 - 18.00 in diameter and 0.0010 - 0.0180 in material thickness.
The following documentation will need to be presented: 1  Complete an application form. 2  Two photographs of the child as per the specifications. 3  The child's official record of birth which establishes the relationship between the child and the Canadian parent.
As the children of a Canadian citizen who was himself born in Canada, they are already Canadian citizens even though they were born in the United States. They have only to confirm their status by applying for a citizenship certificate. Your son can do this online at www.cic.gc.ca/english/citizenship/proof.asp.