Letter of Undertaking

Dear All,

We are Manufacturer & currently we are supplying to SEZ unit through ARE-1 [without payment of duty]. In month of march we had submitted LUT copy to excise and recv a letter to clear goods under LUT.

Till now i had recev acknoweledge copies of ARE-1 [Original & Duplicate Copies] which were sent along with despatches.

Now i would like to know, At excise to whom to submit this acknowledge copies?

How - LUT can be closed?

Pl. guide

rgds

PK