Maintenance verification of 11 IACS members’ ship construction rules The MSC 102 noted that 11 of the IACS members’ ship construction rules for bulk carriers and oil tankers had demonstrated continued conformance to the GBS standards. Re-verification of DNV GL’s ship construction rules The MSC 102 confirmed that the DNV GL ship construction rules for bulk carriers and oil tankers continued to conform to the GBS standards. The re-verification was requested by DNV GL due to the merger between DNV and GL in 2013.