请教8老师：NVC 填完DS-261要等通知付款还是现在就可以付?

8老师，刚刚完成第一步Choose an agent 填完DS-261。按照NVC给的流程，完成第一步 然后wait up to three (3) weeks for processing before continuing to Step 2。但是我看到summary里可以付Affidavit of Support Fee和IV fee，我是要等通知付款还是现在就可以付？谢谢！

 

 

Step 1: Choose an agent (please allow up to three (3) weeks for processing before continuing to Step 2)

Step 2: Pay fees online at ceac.state.gov (allow up to one (1) week for processing before continuing to Step 3)

Step 3: Submit visa application form online at ceac.state.gov

Step 4: Collect financial documents

Step 5: Collect supporting documents

Step 6: Submit financial and supporting documents in one package to NVC