Wash. Rev. Code § 70.58A.100
(1) A facility representative or midwife shall prepare and submit a report of live birth for each live birth at which that person attended that occurs in this state to the department within ten calendar days after the birth occurs. The facility representative or midwife shall:
(4) When a live birth occurs outside a facility and not en route to a facility, the report of live birth must be filed consistent with this section by the:
(5) For an unattended live birth not reported under subsection (4) of this section, a report of live birth and an affidavit stating the facts of the birth must be filed with the department within ten calendar days of the live birth.
(6) When the live birth occurs on a moving conveyance:
[ 2019 c 148 s 9.]