rating assigned by a rating scale with .sf postfix for structured finance instruments which may include mortgage and car loans.
The main purpose of the scale .sf is to inform investors about the differences between structured finance instruments and other types of financial instruments.
To be rated on the .sf scale structured finance instruments usually meet the following criteria:
1) the underlying asset acts as collateral and is a source of generating cash flow for servicing liabilities
2) the fact of the actual sale of the underlying assets is confirmed by a legal document
3) the issuers are mortgage agents, specialized financial companies or specialized project finance companies