Diversity visa (dv) 2015 lottery instructions, Vwp; citizens of some countries can travel to the u.s. for temporary business without a visa through the visa waiver program.. I overstayed visa , return ? (-601, Many people come to my website searching to the answer for this question. the answer is complicated. it depends on how long you have overstayed your visa and whether. Non-immigrant visa faq | visatisfied voyager, Hi lia. please contact the immigrant visa unit (iv) regarding your concern. below is their contact information for your reference. immigrant visa unit (iv).