Answer: Request to use designated sales associate representation.
Explanation:
The options for the question are:
a. Single agent
b. Consent to transition
c. No brokerage relationship
d. Request to use designated sales associate representation
The type of disclosure must be signed by the buyer and the seller in a nonresidential transaction is the request to use designated sales associate representation.
In this disclosure, both the buyer and the seller must sign a disclosure which will state their assets and determine if the threshold is met.