If Form 1099-B includes Accrued Interest for the Market Discount or Wash Sales, you would enter the total when requested. However, accrued interest should have been reported on Form 1099-INT and not on 1099-B. You would most likely leave the box blank or enter zero.
**Say "Thanks" by clicking the thumb icon in a post
**Mark the post that answers your question by clicking on "Mark as Best Answer"