Bank of Montreal clients with Mastercards receive statements on a monthly basis, according to BMO.com. These statements are available both in paper delivery form and as an eStatement accessible through BMO's online banking portal.
Statements are produced for each MasterCard billing period, which is defined in the full BMO Cardholder Agreement as being one month. The agreement is available on BMO.com. As of June 2015, monthly statements are not issued if there is an outstanding balance of less than $10, and no transactions or payments have been made during the month. In this case, customers receive a statement once every three months.