>We have developed an custum s/w application. It is in working condition. New features are being added. We give a quote for the new features requried. The Customer select whatever he wants from the new features & after some negotiations, the develop the new features.
>
>Recently we added a feature called Multiple Companies/Firms. During startup the User selects what Company/Firm he would like to work on.
>
>We forgot to take into consideration that we will have to give the Firm name in all the reports. Since, previously there was only one Firm, the Customer understood that the reports it of Firm A. Now he is not ready to pay for adding the Firm name in all the reports ( 20).
>
>The quotation just mentioned - Addition & selection of Firm.
>
>Regards
>Rakesh

If this should have been done originally, then this is not chargeable.
Since it's only 20 reports, it shouldn't be too difficult to fix.