The immunizations required by RCW
28A.210.060 through
28A.210.170 may be obtained from any private or public source desired: PROVIDED, That the immunization is administered and records are made in accordance with the regulations of the state board of health. Any person or organization administering immunizations shall furnish each person immunized, or his or her parent or legal guardian, or any adult in loco parentis to the child, with a written record of immunization given in a form prescribed by the state board of health.