NEW YORK -- Merrill Lynch & Co. engaged in the "same type of fraudulent conduct" that Goldman Sachs Group Inc. was accused of committing by the U.S. Securities & Exchange Commission in a lawsuit on Friday, a Dutch bank said Friday.

In a letter filed in New York State Supreme Court in Manhattan on Friday, lawyers for Cooperatieve Centrale Raiffeisen-Boerenleenbank BA, or Rabobank, said Merrill Lynch committed a similar fraud in the structuring of a $1.5 billion collateralized debt obligation, known as Norma CDO Ltd.

"The...