بِسْمِ اللهِ واللهُ أَكْبَرُ اللَّهُمَّ مِنْكَ ولَكَ اللَّهُمَّ تَقَبَّلْ مِنِّي.
Bismil-lah wallahu akbar, allahumma minka walak, allahumma taqabbal minnee.
Translation
In the name of Allah, and Allah is the greatest. O Allah, (it is) from You and belongs to You, O Allah, accept this from me.
When to recite
When slaughtering or offering a sacrifice.