1. 申请人已是加拿大永久居民，但持中国护照，像出生公证等等在移民时提交过，
-Then, do not need to do the 出生公证 again, and just use the old one.
请问可以在加国做这些公证吗？如无犯罪（到加国之前就做过并提交，婚姻，出生等等？
-These documents have to be done in China (first marriage, divorce, and remarriage). The old 无犯罪公证 in China still can be used if the beneficiary immigrated to Canada just after 无犯罪公证 was done at that time, but need to get the Police Clearance Certificate from the local Canadian Police Department.
2. 老师非常确信复婚是F1还是F3？（申请时离婚状态，后来复婚，和同一人）
-It is F1 to F3. So, the sponsor (your parent who filed I-130) needs to write a letter to USCIS to ask USCIS to upgrade the I-130 from F1 to F3 (provide the copy of the I-130 approval notice).
Also inform NVC that your parent has requested USCIS to upgrade the I-130 from F1 category to F3 category due to your sister's remarriage. You may not need to provide the documents NVC asked at this time due to the I-130 upgrade (ask NVC about it).
非常感谢！
-Then, do not need to do the 出生公证 again, and just use the old one.
请问可以在加国做这些公证吗？如无犯罪（到加国之前就做过并提交，婚姻，出生等等？
-These documents have to be done in China (first marriage, divorce, and remarriage). The old 无犯罪公证 in China still can be used if the beneficiary immigrated to Canada just after 无犯罪公证 was done at that time, but need to get the Police Clearance Certificate from the local Canadian Police Department.
2. 老师非常确信复婚是F1还是F3？（申请时离婚状态，后来复婚，和同一人）
-It is F1 to F3. So, the sponsor (your parent who filed I-130) needs to write a letter to USCIS to ask USCIS to upgrade the I-130 from F1 to F3 (provide the copy of the I-130 approval notice).
Also inform NVC that your parent has requested USCIS to upgrade the I-130 from F1 category to F3 category due to your sister's remarriage. You may not need to provide the documents NVC asked at this time due to the I-130 upgrade (ask NVC about it).
非常感谢！
