Sec. 4201. (1) A bank may collect interest and charges on loans and extensions of credit as permitted by the laws of this state or of the United States to any person. (2) A bank may charge a discount on obligations purchased by the bank.
Mich. Comp. Laws § 487.14201, under BANKING CODE OF 1999.
Mich. Comp. Laws § 487.14201
Sec. 4201. (1) A bank may collect interest and charges on loans and extensions of credit as permitted by the laws of this state or of the United States to any person. (2) A bank may charge a discount on obligations purchased by the bank.