(1) Official sample must be taken by authorized Washington state department of agriculture personnel.

(2) Samples may consist of stems, roots and/or tubers.

(3) Samples may be taken from a field lot, bin or other container.

(4) Samples may be taken any time during field inspection, harvesting or shipping.

(1) Upon request, official samples will be taken by authorized Washington state department of agriculture personnel.

(2) Lot from which sample has been requested must be held until official diagnosis is made. Disposition will be in accordance with diagnosis result.

(3) Samples must be selected from containers with positive identification.

(1) A sample shall consist of a minimum of three to five tubers and/or affected stems or root systems.

(2) Lower stems and root systems shall be placed in a dry plastic bag for transportation.

(3) Affected tubers shall be wrapped in dry newspapers and placed in a box.

(4) Official sample and reporting form delivered to the state plant pathologist for diagnosis will be in a container sealed with a Washington state department of agriculture seal.

(5) Keep sample cool and deliver promptly to the state plant pathologist designated by the Washington state department of agriculture.

(1) The official diagnosis shall be recorded on a form designated by the Washington state department of agriculture.

(2) This completed form with the results attested to by the designated state plant pathologist will be the official determination of the state of Washington.

(1) Lots of potato planting stock officially determined to be infected with bacterial ring rot shall not be used for propagation purposes and will be disposed of in the following manners.

(a) Processing plant.

(b) Fresh consumption.

(c) Diverted outside of state of Washington at growers expense and discretion, if not grown in state of Washington.

(d) Disposition by burning.