5.1

ABA Routing Numbers
A routing transit number (RTN) or ABA number is a nine digit bank code, used in the United States, which
appears on items such as checks that identifies which financial institution it is drawn upon. This code is also
used by the Automated Clearing House to process direct deposits and other automated transfers. This system
is named after the American Bankers Association, which designed it in 1910.
There are approximately 24,000 active routing and transit numbers currently in use. Every financial institution
has one of these; it is a 9-digit number printed in MICR font at the bottom of checks that specifically identifies
which financial institution it is associated with, and it is governed by the Routing Number Administrative
Board which is sponsored by the ABA.
The primary purposes of the routing number are:
n
To identify the bank which is responsible to either pay or give credit or is entitled to receive payment or
credit for a financial transaction.
n
To provide a reference to a designated presentment point of the bank at which the transaction can be
delivered or presented.
For more information, see “ABA Routing Number Content Blade,” on page 197.
Australia Bank Account Numbers
An Australian bank account number, along with a BSB (Bank-State-Branch number) identifies the bank account
of an individual or organization.
Australia Business and Company Numbers
Australia Business Numbers (ABN) and Australia Company Numbers (ACN) uniquely identify businesses
within the country.
The ABN is a unique 11-digit identifying number that businesses use when dealing with other businesses. A
company's ABN frequently includes the ACN as the last nine digits. The ABN indicates that a person, trust or
company is registered with the Australian Business Register (ABR).
An Australian Company Number (usually shortened to ACN) is a unique 9-digit number issued by the
Australian Securities and Investments Commission (ASIC) to every company registered under the
Commonwealth Corporations Act 2001 as an identifier. The number is usually printed in three groups of three
digits.
Companies are required to disclose their ACN on:
n
the common seal (if any)
n
every public document issued, signed or published by, or on behalf of, the company
n
every eligible negotiable instrument issued, signed or published by, or on behalf of, the company
n
all documents required to be lodged with ASIC
This regulation uses the content blades titled Australia Business Number or Australia Company Number. For
more information, see.
Australia Medicare Card Numbers
All Australian citizens and permanent residents of Australia and their families are eligible for a Medicare Card,
with the exception of residents on Norfolk Island. The card lists an individual as well as members of his or her
family he or she chooses to add who are also permanent residents and meet the Medicare definition of a
dependent (maximum of five names). It is necessary to provide a Medicare Number for a Medicare rebate or
to gain access to the public hospital system to be treated at no cost as a public patient.
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