Recipient identification code for V003 QR codes.

Format Specification (NBU V003)

• Length: Exactly 14 alphanumeric characters
• Format: NNNNNNNNTTTTTT where:
  • N (8 chars): Tax/registration number
  • T (6 chars): Terminal/account identifier

Examples

iex> QRNBU.Types.RecipientCode.new("12345678TERM01")
{:ok, %QRNBU.Types.RecipientCode{}}

iex> QRNBU.Types.RecipientCode.new("123")
{:error, "Recipient code must be exactly 14 characters"}

iex> QRNBU.Types.RecipientCode.new("12345678TERM-1")
{:error, "Recipient code must contain only alphanumeric characters"}