1. A prioritizing system configured to prioritize processing of payment instructions through a payment instruction processing system of a business entity, the prioritizing system comprising: a data storage device storing a set of payment instructions including payment instructions related to payments from nostro accounts associated with the business entity and processed by other business entities, wherein the payment instructions have data fields for qualitative and quantitative attributes describing the payment instructions, a first set of rules determining a prioritization among the set of payment instructions, a queue holding and ordering the payment instructions, and a first sequence ordering the payment instructions in the queue based upon the first set of rules; and a processor identifying the first set of rules, determining the first sequence by applying the first set of rules, initiating processing of the payment instructions in the queue according to the first sequence, receiving a user selection of a payment instruction from the queue to be processed out of order from the first sequence, removing the selected payment instruction from the queue, determining a second sequence for ordering the payment instructions in the queue based upon the first set of rules, ordering the payment instructions in the queue according to the second sequence, and initiating processing of the payment instructions in the queue according to the second sequence, wherein a rule in the first set of rules includes a combination of parameters for determining a sequence for ordering the payment instructions in the queue, the parameters including a payment value amount, a payment value date, an originator identity, a payment date, a currency of payment, and a country of a recipient.