There is a strict implementation of the Supreme Court Circular on the residence of the parties in annulment cases. You have to show proof of residency of at least 6 months before the filing of the Petition. Also, the handling lawyer needs to sign an Affidavit that your residence is true, of his/her own knowledge.
For logical and practical reasons, we only accept Annulment cases if you or your spouse is a resident of Metro Manila and only upon showing to us your proof of residency.