When you are preparing your data for the mailing (either for internal processing or to send to a mailhouse) you simply code as package codes any groups you want to track with different codes. You then data enter gifts as they come in wit the appropriate appeal and package. There is a segmentation tool...

We use an Attribute named "Refused for FY" (Yes/No entry) with the date we receive the appeal response. This allows us to not only query on it but also exclude those constituents from LYBUNT and SYBUNT reports. Once the fiscal year is over, we export a list of those who had refused, globally...