This question already has an answer here:
I am a executive grade officer working for Sri Lanka government & holding Sri Lankan Official Passport. Currently working as Municipal Commissioner for Anuradhapura Municipal Council. Anuradhapura Municipal Council is a member city of World Tourism Cities Federation (WTCF). Annual world summit of WTCF will be held in Los Angeles from 17-21 september 2017 and received invitation from Los Angelese Tourism & convention board to attend the WTCF world summit. The all expences should be born by WTCF.
I applied B1 visa twice and both applications refused under section 214(b).
I submitted official invitation, Recommendation from Ministry of Foreign Affairs, Sri Lanka.
What I can do next?.
Could I ask for reasons to refuse my visa or to whom I can appeal?