(1) Except as provided in subsection (2) of this section, moneys received under ORS 403.240 (8) may be used only to pay for planning, installation, maintenance, operation and improvement of the emergency communications system as it relates to getting an emergency call from a member of the public to the primary public safety answering point and in transmitting the information from the primary public safety answering point to the secondary public safety answering point or responding police, fire, medical or other emergency unit by telephone, radio or computerized means.
(2) Moneys not then being used may be invested by a city or county. The income from the investments must be used for the purposes described in subsection (1) of this section.