PDFWAC 260-28-060
Engagements and transfer.
(1) When a horse is claimed, any nominations previously made to a stake or any breed association sponsored race for the horse will remain valid.
(2) Nominations, entries or rights of entry remain valid when a horse is sold or claimed, except when the horse is transferred to a person whose license is suspended or who is otherwise disqualified to race or enter the horse, then the nomination will be void as of the date of the transfer.
(3) The death of a nominator to a stake race will not render void any nomination, entry, or right of entry. All rights, privileges and obligations will attach to the legal heir of the decedent or the new owner of the horse.
(4) If a horse is sold or claimed the seller cannot withdraw the horse from any engagements.