Kindly refer to the following link(s): 

Is paying the Late Fee or Penalty, same as Interest (Riba)?


Paying extra for Late Fee, Penalty and Airtime or Talk Time on Phones


Is late fee (Fine) or penalty considered as Riba (Interest)?


Are late payment fee policies Riba? What is an alternative solution?


Ruling on penalty or late payment fee, is it riba even if it is given to the poor?


Ruling on signing a lease document that consists of late payment penalty (interest)

Late fee or Penalty -Riba? 


Tabby and tamara installment payment permissible?