Bloodstain pattern analysis (BPA), one of several specialties in the field of forensic science, inolves the study and analysis of bloodstains at a known or suspected violent crime scene with the goal of to helping investigators draw conclusions about the nature, timing and other details of the crime.loodstain pattern analysis (BPA), one of several specialties in the field of forensic science, inolves the study and analysis of bloodstains at a known or suspected violent crime scene with the goal of to helping investigators draw conclusions about the nature, timing and other details of the crime.
A company registration number (CRN) is issued by Companies House upon incorporation. A company tax number is a unique taxpayer reference issued by HMRC.
The tax identification number for an individual is called his Social Security number. The tax identification number for a business entity is usually called an Employer Identification Number (EIN) or just a TIN.