Sale of debt or receivables.
Bai‘ al-mulamasah
Bai'ah
Bai al-'inah
Bai wa salaf
Bai‘ ‘ala al-bai‘
Bint makhad
Bai‘ al-samak fil ma’
Bai‘ darbah al-gha’is
Bai‘ al-sirar
Bai‘ ‘ala al-wasf