1. 申請人已是加拿大永久居民，但持中國護照，像出生公證等等在移民時提交過，
-Then, do not need to do the 出生公證 again, and just use the old one.
請問可以在加國做這些公證嗎？如無犯罪（到加國之前就做過並提交，婚姻，出生等等？
-These documents have to be done in China (first marriage, divorce, and remarriage). The old 無犯罪公證 in China still can be used if the beneficiary immigrated to Canada just after 無犯罪公證 was done at that time, but need to get the Police Clearance Certificate from the local Canadian Police Department.
2. 老師非常確信複婚是F1還是F3？（申請時離婚狀態，後來複婚，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).
非常感謝！
-Then, do not need to do the 出生公證 again, and just use the old one.
請問可以在加國做這些公證嗎？如無犯罪（到加國之前就做過並提交，婚姻，出生等等？
-These documents have to be done in China (first marriage, divorce, and remarriage). The old 無犯罪公證 in China still can be used if the beneficiary immigrated to Canada just after 無犯罪公證 was done at that time, but need to get the Police Clearance Certificate from the local Canadian Police Department.
2. 老師非常確信複婚是F1還是F3？（申請時離婚狀態，後來複婚，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).
非常感謝！
