Vehicle documentation (certficate) and amount due to me ***ed by SA taxi) outstanding

Follow up from an old complain, below : The third week has started and I am not getting any replies when I send emails of SA taxi representative that has been engaging with me hence i am using this i platform again t. I requested for papers for the vehicle that was paid off and provided the reference number, also the R5000 that I have paid which is in advance that need to be reimbursed to us. Can I please be assisted as I want this to be our last engagement with this company