Pertussis, also known as whooping cough, is a highly contagious respiratory infection. Pertussis causes violent coughing which can make it hard to breath. Pertussis affects babies and young children most commonly and most severely.ertussis, also known as whooping cough, is a highly contagious respiratory infection. Pertussis causes violent coughing which can make it hard to breath. Pertussis affects babies and young children most commonly and most severely.
Legal Definition of credit bureau. : a private business that compiles information on consumers' creditworthiness and provides this information to lenders.
The aging method usually refers to the technique used for determining the credit balance needed in the account Allowance for Doubtful (or Uncollectible) Accounts. This Allowance account is a contra asset account connected with Accounts Receivable. Usually when a credit adjustment is entered into the Allowance account, a corresponding debit amount is entered into Bad Debts Expense (or Uncollectible Accounts Expense). The aging method takes place by sorting a company's accounts receivable according to the dates of these unpaid invoices.