Bangladesh Bank (BB) today relaxed the foreign exchange transactions guideline to open Letter of Credit (LC) against deferred or usance basis or under buyer's credit for import of rice.“It has now been decided that LCs against deferred or usance basis or under buyer's credit up to 90 days term for import of rice may be issued till December 31, 2017,” said a BB circular here.Other instructions in this context shall remain unchanged, the circular added.Source: BSS