proprietorship certificate: a certificate showing who is responsible in an individually owned business
security: a formal declaration that documents a fact of relevance to finance and investment; the holder has a right to receive interest or dividends
hepatitis b: an acute (sometimes fatal) form of viral hepatitis caused by a DNA virus that tends to persist in the blood serum and is transmitted by sexual contact or by transfusion or by ingestion of contaminated blood or other bodily fluids