The Sufficient (Vol 2) · Hadith 1701 (#Ḥadīth #4)

4ـ ابْنُ أَبِي عُمَيْرٍ عَنْ سُلَيْمَانَ صَاحِبِ السَّابِرِيِّ عَنْ إِسْحَاقَ بْنِ عَمَّارٍ قَالَ قُلْتُ لأبِي عَبْدِ الله (عَلَيهِ السَّلام) قَالَ يُسْتَجَابُ لِلرَّجُلِ الدُّعَاءُ ثُمَّ يُؤَخَّرُ قَالَ نَعَمْ عِشْرِينَ سَنَةً.

4. Ibn abu ‘Umayr has narrated from Sulayman Sahib al-Sabiri from Ishaq ibn ‘ Ammar who has said the following: “Once I asked Abu ‘Abdillah ‘Can a man’s prayer that is accepted be kept on hold and delayed?’ The Imam said, ‘Yes, it can remain on hold for up to twenty years.’”

Gradings are classical jarḥ-wa-taʿdīl, name-matched to a rijāl index (not individually re-verified).