A party by the parent, for the parent, in the child's name

[mesquite]

"Cornwall residents Derek Nash and Tanya Walsh said they were shocked when their son, Alex, arrived home from preschool with a brown envelope stuffed in his backpack. Inside there was a formal invoice from another mother, Julie Lawrence, for £15.95 ($24.14): monies due, apparently, for failing to RSVP to her son's fete when Alex could no longer attend."

[twilight2]

OK we're really getting to the nitty gritty aren't we?