To apply for a visa in the United States, you need to collect a package of documents:

• application form
• internal passport
• 1 photo size 5 x 5. The person in the photo should occupy 50%
• a valid passport for the entire trip to the United States of America.
• private or business invitation (if any)
• certificate from the place of work; is made out on the company letterhead. Must be signed by a manager or an accountant. It is necessary to indicate the salary of the applicant, his position and length of service. If the applicant does not work - a sponsorship letter (an extract from the sponsor's bank account, a certificate from his place of work)
• A certificate from the educational institution (for schoolchildren and students), confirming the absence period during the stay in the US; copy of student card.
• birth certificate of children (copy - desirable)
• marriage certificate (copy - desirable)
• for men (16 - 45 years) - documents on the passage of military service or participation in military collections
• confirmation of financial solvency - a copy of the credit card, an extract from the bank (a copy is desirable)
• for individual entrepreneurs - a certificate of registration of the enterprise, a certificate of tax registration, information on income from this business, other documents that demonstrate an active balance of the company
• documents on real estate and property rights

The processing time is from 3 to 7 working days. If there was no visa in the US before, then an obligatory personal interview at the Embassy.