Can you please post what the email asks. Are they asking for constancia?
You cam IM me if you do not want to post here. It would be really helpful to me.
It looks like this
Dear Mrs. Mason
This refers to your application for permanent residence in Canada at our office. In order for us to continue the processing of your application, we require the following:
Provide our office with original police certificates from the following places:
Mexico Federal Police certificate from the "Procuraduría General de la República" (PGR) for you. Please visit the following website in order to obtain more information: http://www.pgr.gob.mx/TransFoc/antecedentes%20registrales.asp
Mexico/Puebla for you.
Mexico/Veracruz for you.
Instructions to obtain police certificates can be found in the following website: http://www.cic.gc.ca/english/information/security/police-cert/index.asp
The above information/documents must be received in this office within 60 days of the date of this letter. Failure to submit them within that time period could result in the refusal of your application. Please quote your complete file number on your correspondence and address your correspondence to the Immigration Section of the Canadian Embassy at the address indicated below.
Important: A letter signed by our office detailing specific instructions on how to obtain the Federal Police Certificate from Mexico issued by Procuraduria General de la Republica (PGR) is being sent to you by regular mail today. We cannot guarantee that you will receive this letter. If, after 60 days, the letter has not been received by you, please contact our office by email and indicate your application number, your complete name, date of birth and your telephone number and we will send you a new copy. If you wish to expedite your application, we strongly suggest that you send us a pre-paid airway bill.
Immigration Section / La section des visas et immigration (MCP)
Canadian Embassy / Ambassade du Canada au Mexique
Miguel de Cervantes Saavedra 193
Colonia Granada C.P. 11520
mexico-im-enquiry @ international.gc.ca