Unpaid claim

Hi We are group of 26 people joined as a burial society 10 years ago things were going well till now. Last week I put my claim as my in-law passed on then they told me that I have errors for February that was 352 and I forwarded the payment and proof of payment again they told me that March still outstanding then I asked them how cause it was not month end yet and they know that I'm ways making payment on the 28th of every month. Then I was told that there is a new law from their underwriter that money must payed by the second of everymonth then I told them I didn't receive any communications from them and it's were they send me a letter dated the 17th of March then I told them it's short notice if I didn't call to ask abt my claim I was not going to know about it. On Friday morning all my people payed the scheme then I made payment still my claim not paid wen I call they kept on telling me they are busy with my claim can you pleasevhelp me to investigate this company and I want my money. Another thing I want South African to be aware of *****sters around