Say someone has a small business and is self - employed — therefore, they don't have any proof of income in any way (assume such an example). (money.stackexchange.com)
If you do not have proof of insurance at that time then you will have to go to court and provide evidence of insurance to the court. (autoinsuresavings.org)
We now have proof of the mechanism or cause and effect for what was previously only a correlation. (drtimball.com)