Although the word resistance can refer to the ability to not be affected by something or someone, usually adversely, within the legal world it means something else.
Resistance also refers to the “refusal to accept”, or comply with, something or someone, usually in the way of an order, rule or instruction.
However resistance is not required when there is no contract or agreement in place to the implied requirement to begin with, but the act of resisting now creates the obligation to comply.
Resistance