C1 vs. C2 Variance? What is a “Use” Variance? D1, D2, D3, D4, D5, or D6? Is there an A or B variance? A cacophony of letters, we are here to help you sort them out. Our Attorneys and Planners will discuss the different proof standards for a C1 and a C2 variance as well as the specific standards for all variances listed under D in the MLUL as specified by case law. CEUs are free to NJPO members; non-members all-inclusive conference fee is $50. Courses require registration with NJPO and NJLM.