1) Utu Whakataetae
2) Atete ki te pāmahana teitei, kaha pānga pai
3) He watea, he pono te whakaurunga, he iti nga utu hanga
4) Ka taea te hangarua, he pai ki te taiao, kia rite ki te paerewa DIN
5) Ka whakamahia nuitia ki te ahuwhenua, te irrigation me te whakamahi industrail, te puna kaukau ect.
6) Tino roa te oranga o te whakamahinga
7) Kaore he wiri, he haruru ranei