NBTC imposes harsh conditions on telecom merger, with lower margins likely Despite providing tacit approval for the merger of True Corporation and Total Access Communication (DTAC), the National Broadcasting and Telecommunications Commission (NBTC) has prescribed harsh remedial measures that could mean lower margins for the new firm, according to people associated with the regulator. The measures are also meant to support reform in the industry, the regulatory sources said. On Thursday the five-member NBTC board voted 3-2 for the stance that it has no authority to consider approving or rejecti…