11 CFR 100.77: Invitations, food, and beverages.

The cost of invitations, food and beverages is not a contribution where such items are voluntarily provided by an individual volunteering personal services on the individual's residential premises or in a church or community room as specified at 11 CFR 100.75 and 100.76 to a candidate for candidate-related activity or to any political committee of a political party for party-related activity, to the extent that: The aggregate value of such invitations, food and beverages provided by the individual on behalf of the candidate does not exceed $1,000 with respect to any single election; and on behalf of all political committees of each political party does not exceed $2,000 in any calendar year.