Hello I was hired by a homeowner which is a house flipper and he new that I was not registered with L and I and he knew I was in the process of the registration at the time of hiring me so He asked if II have any friends information he could use and I gave him my father-in-law's information so long story short and I had sent him to contracts Which he did not sign but I completed a lot of the work about 85% outside on A reside and Removing old windows which had no kingstead or headers so I also had to install that to the windows to bring them up to code and install the new windows and flashing, Anyways he did not pay me so I put a lien on the property and he put it up for sale about 2 weeks ago and had got a offer on it and that's when he realised I had placed the meanAnd the other day I was served with papers saying if I didn't release the lean in 24 hours even take me to court I want thing hes trying to argue is That I am not entitled to a lien Because I wasn't registered with L&I , Can you please tell me if that will interfere with the process of going to court