How to prove that the property manager wants money to receive cash?

The basic evidence for the property manager to ask for money and receive cash is transfer voucher, audio recording, video recording, chat screenshot, etc. If it can be proved that the loan obligation has been fulfilled, it can be proved in the lawsuit.

If the other party refuses to admit the cash, first look at whether there is an IOU, and if there is, it can prove the existence of the loan. If there is no IOU, as long as you can prove that the fact of borrowing did happen. Secondly, it depends on whether there are any witnesses who can prove that the other party received cash. If there are witnesses, they can be used as evidence. In short, the most basic evidence is transfer voucher, audio recording, video recording, chat screenshot, etc. If it can be proved that the loan obligation has been fulfilled, it can be proved in the lawsuit. If the other party does not admit it, it can bring a lawsuit to the people's court to safeguard its legitimate rights and interests. If the loan is paid in cash and the creditor is unable to provide proof of payment, the court may require the lender himself, a legal person or the relevant handling personnel of other organizations to appear in court, state the specific facts and processes such as the reason, time, place, source and use of cash payment, and accept inquiries from the other party and the court. In other words, you need to provide a receipt or proof of presence to withdraw cash from the bank.

The plaintiff brings a private lending lawsuit based on the creditor's rights certificates such as IOUs, receipts and IOUs, and the defendant raises a defense or counterclaim based on the basic legal relationship, and provides evidence to prove that the creditor's rights dispute is not caused by private lending. The people's court shall try the case according to the basic legal relationship on the basis of finding out the facts of the case. The provisions of the preceding paragraph shall not apply to the creditor-debtor agreement reached by the parties through mediation, reconciliation or liquidation.