These networks will include computerized switching centers and a base for clearing settlements. ... system enables merchants to verify the availability of funds in a customera#39;s account or his access to credit before completing the sale. ... This is an alternative to manual authorization and verification, which is handled by accessing a neg- ative file or by having the ... Very few systems involving instant transfer have survived, and the most important functions of POS, until online direct debitanbsp;...
|Title||:||Effects of information technology on financial services systems.|
|Publisher||:||DIANE Publishing -|