TgJ Jer31:20 :בִזמַן דִמשַוֵי פִתגָמֵי אוֹרָיתִי עַל לִבֵיה לְמַעֲבַדהוֹן‏ : when he places my law's words on his heart in order to do them
See the entire entry for bizmān d_ conj. when