Kuwait's state news agency said Sheikh Nawaf also received Iranian Foreign Minister Mohammad Javad Zarif, who had lauded the late emir for fostering "moderation and balance".
Global delegates stood for a minute of silence to mourn the loss of the virtuous ruler, once granted a 'Humanitarian Leader' award by former UN chief Ban Ki-moon, in memory of his legacy in humanitarianism, diplomacy, peace-making and conflict resolution.
The elections come at a time when the wealthy OPEC member state is facing a liquidity crisis caused by low oil prices and the coronavirus pandemic, and the government is trying to boost state finances to plug a budget deficit.
Infected people or those under mandatory quarantine are usually confined to home, with electronic wristbands monitoring their movements.
The letter mentioned the fraternal ties between the two countries and their peoples, as well as the work of the Gulf Cooperation Council (GCC) and ways of consolidating the relations between the GCC countries.
Kuwait airport will resume operating at full capacity from Oct.24, the cabinet spokesman told the same news conference. Wearing masks remains mandatory in public places.
A Kuwait government Airbus A340 carrying his remains from the United States landed in the capital, where roads were cleared to allow passage of a convoy to the Bilal Bin Rabah Mosque for funeral prayers.