Various 1099 forms, and forms 1099-NEC,1099-MISC, and 1099-K are used to report payments that typically don’t come from an employer, such as if you work as an independent contractor, gig worker, or self-employed person or if you receive income such as interest, dividends, prize winnings, rents, royalties, or brokerage account transactions. If January 31 falls on a weekend or holiday, these forms are due to be sent the following business day.