Md. Code Ann., Com. Law § 5-115
An action to enforce a right or obligation arising under this article must be commenced within 1 year after the expiration date of the relevant letter of credit or 1 year after the cause of action accrues, whichever occurs later. A cause of action accrues when the breach occurs, regardless of the aggrieved party's lack of knowledge of the breach.
Added by Acts 1997, c. 652, § 2, eff. Oct. 1, 1997.