28-9-329. Priority of security interests in letter of credit right. The following rules govern priority among conflicting security interests in the same letter of credit right: (1) A security interest held by a secured party having control of the letter of credit right under section 28-9-107 has priority to the extent of its control over a conflicting security interest held by a secured party that does not have control. (2) Security interests perfected by control under section 28-9-314 rank according to priority in time of obtaining control.