BIS is revising paragraph (d) to revise the clarification with the composition of an Export Command Classification Number (ECCN), Particularly specializing in the which means from the digits in the ECCN. The 500 series is currently being used to cover firearms during the 0x5xx ECCNs and “Spacecraft” in 9x515 ECCNs. https://isaack788pkf3.muzwiki.com/user