Where a contract provides that one party “may” send written notice declaring that the other party has defaulted, the contract makes written notice a prerequisite to seeking the default remedies in court.The 1st District Appellate Court reversed and remanded a decision by Cook County Circuit Judge Eileen O’Neill Burke.In December 2009, Severstal Dearborn LLC signed a lease with Relco Finance Inc. for the use of several locomotives. In addition to leasing the locomotives, Severstal agreed to pay Relco …