RCW 26.44.040: Reports—Oral, written—Contents.

An immediate oral report must be made by telephone or otherwise to the proper law enforcement agency or the department and, upon request, must be followed by a report in writing. Such reports must contain the following information, if known:

(1) The name, address, and age of the child;

(2) The name and address of the child's parents, stepparents, guardians, or other persons having custody of the child;

(3) The nature and extent of the alleged injury or injuries;

(4) The nature and extent of the alleged neglect;

(5) The nature and extent of the alleged sexual abuse;

(6) Any evidence of previous injuries, including their nature and extent; and

(7) Any other information that may be helpful in establishing the cause of the child's death, injury, or injuries and the identity of the alleged perpetrator or perpetrators.