The Commissioner may issue advisory rulings, pursuant to M.G.L. c. 30A, § 8, interpreting any provision of 209 CMR 50.00. Each regulation or officially published interpretation or guideline issued by the NCUA which interprets a provision of federal law, as defined by 209 CMR 50.02, similar in substance to a provision of 209 CMR 50.00, shall, until rescinded by the NCUA, be deemed by the Commissioner to be an advisory ruling issued under M.G.L. c. 30A, § 8; provided, however, that the Commissioner may reject such a regulation or officially published interpretation or guideline issued by the NCUA.
209 CMR, § 50.03