3,419. Produce When Shabbos Arrives
Hilchos Maaser 5:20
If the labor of produce has been completed and night falls on Friday, the produce becomes obligated in tithes; they may not be eaten even after Shabbos until tithes are taken.
Hilchos Maaser 5:21
If children stash figs for Shabbos and forget to tithe them, the figs may not be eaten after Shabbos until tithes are taken.