From the CFC Regulations:
Special CFC fundraising events, such as raffles, lotteries, auctions, bake sales, carnivals, athletic events, or other activities not specifically provided for in these regulations are permitted during the campaign period if approved by the appropriate government official, consistent with agency ethics regulations.

In all approved special fundraising events the donor must have the option of designating to a specific participating organization or federation or be advised that the donation will be counted as an undesignated contribution and distributed according to these regulations.