Section 12-104. Contracts and sales practices

1. Every agreement for the
  sale or installation of a solar thermal system shall be in  writing  and
  be  subscribed  by  the seller or installer, or his lawful agent, and by
  the customer or his lawful agent.
    2. Every such agreement shall contain or have annexed thereto:
    (a) The name and address of  the  system  manufacturer  of  the  solar
  thermal system together with the system's name and model number;
    (b)  Operation, maintenance and installation instructions, except that
  installation instructions  need  not  be  provided  in  an  installation
  agreement;
    (c) Copies of all express warranties provided to the customer; and
    (d) Other such information as may be required by the commissioner.
    3.  Every  such agreement shall display the following statement on the
  face of the agreement in a clear and conspicuous  manner:  "No  specific
  thermal  performance  for  this  solar system is warranted unless stated
  herein".
    4. No seller shall offer for sale a solar thermal system  unless  such
  seller  makes  available  to  a  prospective  customer  the  information
  specified in subdivisions two and three of this section.