Hi ____, it is due within 60 business days from the initial $50,000 payment in section 1 of8k. This payment due date was May 20th, 2020 and they did pay that on time. So, the next payment is due 60 business days from that which is Aug.14th, 2020 - See official 8k here: https://sec.report/Document/0001213900-20-010069/