I have a query a bit similar to above ..... Some cash payments were made to me by my customers (I run my own biz) but I didn't ve any bank account then. How can I proof that amount to be my income? It may be worth mentioning that I perform services for other people/businesses and also, am sole prop...

I have a query a bit similar to above ..... Some cash payments were made to me by my customers (I run my own biz) but I didn't ve any bank account then. How can I proof that amount to be my income? It may be worth mentioning that I perform services for other people/businesses and also, am sole propr...