It appears that the Mosaic Law provided for a second tithe, which was set aside for the household’s sustenance and enjoyment during the holy conventions each year.
فَٱلْإِسْرَائِيلِيُّونَ كَانُوا يَحْفَظُونَ سَنَةَ سَبْتٍ كُلَّ سَنَةٍ سَابِعَةٍ .‏