Inadmissible Nonimmigrant Already in Possession of Appropriate Documents:

The application is filed with U.S. Customs and Border Protection (CBP) in advance of the date of intended travel to the United States. Filing of this application is generally done in person at a CBP designated port of entry or a CBP designated preclearance office. There are exceptions to in-person filing. It is recommended that you contact the CBP preclearance office or the CBP port of entry where you intend to be processed before submitting your application. To find a CBP designated port of entry or a BCP designated preclearance office and to obtain information onr equired documentation and processing procedures, please visit the CBP website (link is in the Related Links section of this page) and type "Form I-192", "I-192", "192", or "waiver" in the search box of that site.
Special Instructions for Citizens of Palau, the Federated States of Micronesia, or the Marshall Islands: You may contact the nearest consulate of the U.S. Department of State to receive instructions on where and how to submit this form. You may also receive filing instructions by e-mailing the CBP Admissibility Review Office (ARO) at [email protected]. Attorneys should address their inquiry to [email protected].

Filing Fee :
$585
or go to http://www.uscis.gov/portal/site/usc...0048f3d6a1RCRD

What about yours?