In ’al-Balad al-Amin’, al-Kaf`amiy has mentioned that Imam Ja`far al-Sadiq (a.s) used to say the following after Salat:

اللّهُمّ أَدّ عَنَّا حَقّ مَا مَضَى مِنْ شَهْرِ رَمَضَانَ،

allahumma addi `anna haqqa ma madha min shahri ramadhana

O Allah: (please) help us fulfill the right of the past days of the month of Ramadhan,

وَاغْفِرْ لَنَا تَقْصِيرَنَا فِيهِ

waghfir lana taqsirana fihi

And forgive us our shortcoming during it,

وَتَسَلّمْهُ مِنَّا مَقْبُولاً،

wa tasallmhu minna maqbulan

And receive it from us with acceptance,

وَلا تُؤَاخِذْنَا بِإِسْرَافِنَا عَلَى أَنْفُسِنَا،

wa la tu´akhidhna bi-israfina `ala anfusina

And do not blame us for our extravagance in our affairs,

وَاجْعَلْنَا مِنَ المَرْحُومِينَ

waj`alna mina almarhumina

And include us with those upon whom mercy is had,

وَلا تَجْعَلْنَا مِنَ المَحْرُومِينَ.

wa la taj`alna mina almahrumina

And do not include us with those deprived (of the awards of Ramadhan).