Once a Party Has Waived Rights to a Portion of a Contract

Multiple Choice

Once a party has waived rights to a portion of a contract that has not yet been performed,that party:

A) may retract the waiver if there is a material change of position by the other party.
B) may retract the waiver unconditionally.
C) may retract the waiver by giving reasonable notice that strict performance will be required.
D) may retract the waiver only if the other party does not object to it.