WAC 308-30-070 - Size and form of official seal or stamp.
An official seal or stamp shall conform to the following requirements:
(1) The seal or stamp shall include the following information:
(a) The words "notary public";
(b) The words "state of Washington";
(c) The notary public's name as commissioned;
(d) The notary public's commission expiration date; and
(e) The notary public's commission number.
(2) The type on this seal or stamp shall be a minimum of 8 point type.
(3) The seal or stamp shall conform to the following physical requirements:
(a) The seal or stamp shall be minimum one and five-eighths inches diameter if circular, or one inch wide by one and five-eighths inches long if rectangular;
(b) The face of the seal or stamp shall be permanently affixed; and
(c) If the stamp is affixed to a tangible record, it shall be applied in permanent ink and shall be capable of being photocopied.
(4) The seal or stamp shall not contain the Washington state seal.

RCW 42.45.180 - Journal.
(1) A notary public shall maintain a journal in which the notary public chronicles all notarial acts that the notary public performs. The notary public shall retain the journal for ten years after the performance of the last notarial act chronicled in the journal. The journal is to be destroyed as required by the director in rule upon completion of the ten-year period.