再求教 8老师 the checklist for父母办延期（B-2),叩谢！！！！

B2-extension check list:

if my father is the major applicant , I-539(one form for both parents), i-130(one form for both parents), paretnts passports, visa,i-94, and letter to VO, check pay to USCIS.
Anything else?  Thanks a lot!!