The problems analysed in the article are connected to the legal relations between the parties of the credit agreement as well as the problems of their regulation. The article analyses in detail legal relations between the buyer and the beneficiary, the issuing bank and the advising bank as well as other legal relations that may occur on the grounds of the credit agreement. After examining foreign literature, as well as analysing the laws of the Republic of Lithuania regulating the payments by a letter of credit and opposing them to the traditions and rules applied in the international practice of banks, a suggestion is put forward of how legal relations arising on the grounds of a credit agreement should be regulated. After the anal...