|(a) Irrigators shall: (1) sign their legal name; (2) affix the seal above the irrigator's signature; and (3) include the date of signing (month, day, and year) of each document to which the seal is affixed. (b) The presence of the irrigator's seal displayed above the irrigator's signature and date on any document constitutes the acceptance of all professional responsibility for the document and the irrigation services performed in accordance with that document. (c) The irrigator will maintain, for three years, a copy of each document bearing the irrigator's seal. (d) Once a document containing a seal is issued, the seal may not be altered. (e) Irrigators shall not use or authorize the use of a seal on any plan or specification created by another irrigator unless the irrigator: (1) Reviews and makes changes to adapt the plan or specification to the specific site conditions and to address state and local requirements; and (2) Accepts full responsibility for any alterations to the plan or specification and any downstream consequences. (f) If an irrigator prepares a portion of a plan or specification, that portion of the design or specification prepared by the irrigator, or under the irrigator's supervision and seal, should be clearly identified. (g) Irrigators shall sign, seal and date the irrigation plan and specifications, contract, addenda or change orders, warranty, and the maintenance checklist.