you have to go to your local reg office and get a cni takes 21 days before you go then your wife needs to get hers from her local nso office then with passport /and cni/cenomar take to embasy when i got married me and wife went to nso office applied for local cenomar then took to our local town hall to reg for marriage but my case is differant than others but you take yours to embbasy after to reg your marrige hope some of this helps others will add more