@i-am Here's what the FTB says: "A nonresident’s income from California sources includes income from a business, trade, or profession carried on in California. If the nonresident’s business, trade, or profession is carried on both within and outside California and the part outside California is separate and distinct from the part within California, only income from the part conducted within California is California source income."
Therefore if these activities were not "carried on" in California (i.e. you were not physically present in CA for any reason related to this work), then you will not be subject to taxation by the FTB.
