hi all,i was send back from airport and the immigration people stamped on my visa as "I-275 executed application withdrawn subject placed in custody of airline" and at the bottom they wrote like 212(a)(6)(C)(i)(I) and 212(a)(7)(A)(i)(I).Immigration people asked me for current offer letter which i don't have and they stamped on my visa like this and they told go to embassy in your country and show them current offer letter. The thing is can i go to embassy under these sections or any problems going to occured.can any one please make a clear conclusion on this subject?please urgent,,,,,,,,