The customer must pay for water supply billing, raw water with service fee according the rate was defined by private Company and /or Aor Bor Tor Tasit within 7 days from the date that the customer received the invoice. In case the customer does not pay the water supply billing and raw water from one period for the use of water or breach the contract. The private Company and/or Aor Bor Tor Tasit has the right to stop to supply water or terminate the contract by notice in advance not less than 7 days.