I do not understand how they force us to send the ...

I do not understand how they force us to send the boys 5000 pesos so that you charge them a certain assumption in case they break something that they supposedly return (although I know they want to convince them to spend that silver on excursion) without giving me a voucher of payment for that money, is that legal? It seems to me that it does not apply at all, in the week I go to the Ministry of Tourism and they finish their work