Settlements with IP - methods and options?

Question

Electronic accounting

For example IP. How can I accept payments from individuals and legal entities?
1. I sold the phone to someone, what else should I give to the phone?
2. If I sold through a payment aggregator?
3. Is it possible to take money simply in hand for services without a check?
How are payments generally made? To then report to the tax?

Answer 1

www.malyi-biznes.ru/kassovaya-disciplina
take a look at 1-2 accounting forums, they will help you faster