Direction of the Bank of Russia No. 5234-U of August 18, 2019 on Declaring Null and Void Regulations of the Bank of Russia No. 545-P of May 27, 2016 on the Procedure for the Transfer of Electronic Documents Signed with the Encrypted and Certified Digital Signature and Information in Electronic Form by Banks and Other Credit Institutions to Customs Authorities and by Customs Authorities to Banks and Other Credit Institutions in Relation to Issuance of Bank Guarantees of Payment of Customs Duties and Taxes