POOR ADMIN SERVICE - INVOICES/STATEMENTS

I have been a loyal MTN customer for 18 years, however recently I have been battling to get MTN to send me my invoices timeously, and everytime I have to call them to ask them to forward me my latest invoices including the itemised billing which I pay extra for every month.<br> <br> At first (which was in January 2015) was told that there had been a technical glitch and that MTN is working on it but I find it very strange that 3 months later I still have the same problem. They do not seem to care and yet at the end of each month they deduct the subscription and call fees without any fail. They are certainly not keeping their end of the bargain. When I signed the contract with them the agreement was that these statements will be forwarded to me on a set date and it seem like now they just take things for granted cause they know that whether they do their part or not they will get their money and if they don't they will simply cancel the line.It is very irritating. I have to submit claims to my employer but now I have an extra burden of having to call in to ask for the invoices when they should be sending them to as per their contractual obligation.