We have a GC that will deduct back charges / and or deductive changes from our invoice without any sort of notice. Every time this happens I get notified by our controller which in turn I asked the GC for the backup. So far every back charge or deductive change is completely invalid and I've disputed each one. Regardless of my dispute the GC still deducts the dollar figure from our invoice / check. Is this legal? If so what is the proper way to deal with this?
What happens now, and what your rights are, will largely depend on your contract. You may have some bond rights and lien rights too. But, to really know how to deal with this and to give you options, an attorney will have to review the contract first. Generally though, deducts from a GC should have a detailed explanation about why there is a deduct.