Troy, Mich.-based Flagstar Bank FSB on Aug. 6 obtained approval from the Office of the Comptroller of the Currency to acquire 46 branches of Wells Fargo Bank NA, according to the regulator's website.

Specifically, the Flagstar Bancorp Inc. unit secured the approval to purchase 29 branches in Indiana, 12 branches in Michigan, four branches in Wisconsin, and one branch in Ohio.

Flagstar Bank's agreement to acquire 52 Wells Fargo Bank branches was announced on June 5.