Does a nonprofit (not for profit) organization need to have an independent review and/or audit of its financial statements?

I am doing freelancing for two different companies and I have several questions. I deliver for them digital files, such as research, PowerPoints or excel files. Do I need to add sales tax to the invoices? When and how do I file taxes? I have never worked before in California and just started working in October last year.

Which washer/dryer will qualify for an energy-efficient tax credit?

What exactly is accounts receivable financing and factoring and how can it help a business?

Can anyone share some tips for budding entrepreneurs. What are the do's and dont's for them.

To my peers. Do you have concerns over the new RTRP(Registered Tax Return Preparer) testing and licensing? Do you have up to date information? Are any of you thinking of leaving taxes. What about you fincial planners that also prepare are you understanding the disclosure rules that efect everyone in the tax industry? Look for some great dialog.

How many people actually go in for a Health Insurance? It is observed that most people think it is a waste of money so avoid it. What do you think?

Can I claim child tax credit for my son born on December 31?