Medallion owners said the city was illegally changing what was supposed to be an ironclad rule: Only drivers using a medallion could legally stop to accept a customer who hailed them on the street.
Some new cloud-based solutions act as payment processors, as well as offering back-end customer relations management systems and the ability to accept mobile payments in the growing Internet economy.
Lindsay Ansell, the head of customer services at Torridge District Council, which refused to accept cheques for Ms Winkfield, consulted with the 83-year-old protester who made national headlines with her court appearance in February.
The next approach that you can consider taking is to identify specific performance goals that the customer will agree in advance and, once achieved, will accept some increase in prices.