System and method for offering and managing online purchasing card transactions

A method for facilitating purchase card transactions for a user account, said method comprising:

• offering through an online website a plurality of purchase cards for life sciences research products and services available on the online website, wherein each of the plurality of purchase cards has a different monetary value and wherein each of the plurality of purchase cards is associated with a unique catalog identifier, and wherein the purchase card value is replenishable, and wherein the purchase card value is linked to a government funding source for funding scientific research;
• maintaining a purchase card balance for said user account;
• applying, via a subsequent e-commerce transaction for life sciences research products or services funded by research grants or other subsidized funding sources having a purchase price, said purchase card balance toward said purchase price, wherein offering said e-commerce purchase card and said subsequent e-commerce transaction are in compliance with procurement, spending, and appropriations rules, regulations, and laws applicable to the user account;
• receiving, via a subsequent e-commerce transaction, a replenish request for said ecommerce purchase card, said replenish request corresponding to a stated replenish value;
• increasing said purchase card balance for said user account in the amount of said stated replenish value;
• modifying an existing purchase order to reflect payment for said stated replenish value;
• and
• optionally returning unused value.