The word(s) "incumbent" appears 4 time(s) in 4 verse(s) in Quran in Saheeh International translation.

(1) And whoever emigrates for the cause of Allah will find on the earth many [alternative] locations and abundance. And whoever leaves his home as an emigrant to Allah and His Messenger and then death overtakes him - his reward has already become incumbent upon Allah. And Allah is ever Forgiving and Merciful.

(سورة النساء, An-Nisaa, Chapter #4, Verse #100)
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(2) And We have already sent messengers before you to their peoples, and they came to them with clear evidences; then We took retribution from those who committed crimes, and incumbent upon Us was support of the believers.

(سورة الروم, Ar-Room, Chapter #30, Verse #47)
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(3) And that [incumbent] upon Him is the next creation

(سورة النجم, An-Najm, Chapter #53, Verse #47)
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(4) Indeed, [incumbent] upon Us is guidance.

(سورة الليل, Al-Lail, Chapter #92, Verse #12)
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