1 Samuel 30:25

Overview - 1 Samuel 30
1	The Amalekites spoil Ziklag.
4	David asking counsel, is encouraged by God to pursue them.
11	By the means of a revived Egyptian he is brought to the enemies, and recovers all the spoil.
22	David's law to divide the spoil equally between them that fight and them that keep the stuff.
26	He sends presents to his friends.

1 Samuel 30:25  (King James Version)
And it was so from that day forward, that he made it a statute and an ordinance for Israel unto this day.