You also need to look at the laws of your state, especially if you are in a Community Property state. In Calfornia, for instance, either spouse can commit the entire community property. Therefore, if you have the business owner spouse, the signature of the other non-business owner spouse gets you absolutely nothing UNLESS the other spouse has significant SEPARATE property. If that is the case, you had better have the file documented to the hilt that you NEEDED that additional separate property AND that the other spouse volunteered it.
The practice you describe sounds very dangerous and IMHO would not pass the smell test with your regulators.
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CRCM,CAMS
Regulations are a poor substitute for ethics.
Just sayin'