They plan to walk out on April 1.
The issues surround pay and health benefits.
The guild made proposals to NBCU in December, and NBCU responded on January 13.
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The guild, however, found the offer unacceptable.
An arbitrator independently verified that a majority of employees had elected union representation.
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The season is almost over.
NBCU claims they, too, want to reach an agreement.
But were nearing the end of the season, and talks drag on.
It added that the company has refused to show SNLs post crew the respect they deserve.
NBCU wants to shut us up so we will yell louder, the guild said.
