Genesis 41:34-35
41:34 Pharaoh should do this – he should appoint officials throughout the land to collect one-fifth of the produce of the land of Egypt during the seven years of abundance.
41:35 They should gather all the excess food during these good years that are coming. By Pharaoh’s authority they should store up grain so the cities will have food, and they should preserve it.
Genesis 41:48
41:48 Joseph collected all the excess food in the land of Egypt during the seven years and stored it in the cities. In every city he put the food gathered from the fields around it.