English to Spanish Bus/Financial Investment / Securities

Es parte de un contrato entre casas de valores. Dice lo siguiente:

ABC Company and XYZ Company have entered into one or more transactions that are or will be governed by this Master Agreement, which includes the schedule, and the documents and ***other confirming evidence*** (each a "Confirmation") exchanged between the parties or otherwise effective for the purpose of confirming or evidencing those Transactions.

Mil gracias por su ayuda!