Final answer:
The answer provides context and explanation for the given information, but clarifies that more context is needed to answer the question about the notice for a green house tax.
Step-by-step explanation:
The question seems to be asking about the amount of notice one would receive if a green house tax is implemented. However, the given information about employers providing written notice before plant closings or large layoffs does not directly answer the question.
To accurately answer the question, more context is needed about the specific green house tax being referred to.
Learn more about Green house tax notice