Pool plant
Pool plant means a plant, unit of plants, or system of plants as specified in paragraphs (a) through (f) of this section, or a plant specified in paragraph (i) of this section, but excluding a plant specified in paragraph (h) of this section. The pooling standards described in paragraphs (c) and (d) and (f) of this section are subject to modification pursuant to paragraph (g) of this section:
(3) The operator of the unit has filed a written request with the market administrator prior to the first day of the month for which such status is desired to be effective. The unit shall continue from month to month thereafter without further notification. The handler shall notify the market administrator in writing prior to the first day of any month for which termination or any change of the unit is desired.