De Sausmarez told deputies any new arrangement would not mean any change to fishing rights, as those are settled.
However she said there could be changes to border controls for goods.
“It could provide a good opportunity to diversify our imports and bring in more goods from France,” she said.
“In doing so it could increase our food security, reduce our carbon footprint, and improve affordability as well.”
She went on to explain where she thought the other advantages of the new UK-EU relationship may fall.
“We could see benefits. Our young people could access the proposed youth mobility scheme, the Erasmus scheme could also give our young people opportunities in training and learning,” she added.