Relationship of IdSource and SecurityID

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Imported from previous forum

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How does the IDSource (tag 22) relate to the SecurityID (tag 48)? Specifically, if the user enters a value 22=7 (ISO Country Code), where is the ISO country code used? Is it included in the SecurityID field? If so, how is it displayed? I would appreciate a few examples, using tag 22=7 and tag 22=1 (cusip) or 2 (SEDOL).

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IDSource and SecurityID go together. IDSource identifies the type of value which SecurityID refers to.

Examples:
22=1 48=459200101 (CUSIP for IBM)
22=2 48=0236913 (SEDOL for RTR.L Reuters in London)
22=3 48=6758 (QUIK for Sony in Japan)
22=4 (I don’t know ISIN’s but I think it’s a combo of CUSIP and country or something)
22=5 48=RTR.L (RIC for Reuters in London)
22=6 48=JPY (ISO Currency code for Yen)
22=7 48=EN (ISO Country code for England)

One would not send an Allocation message referencing a country code but one might send a News message referencing a country code.

> How does the IDSource (tag 22) relate to the SecurityID (tag 48)? Specifically, if the user enters a value 22=7 (ISO Country Code), where is the ISO country code used? Is it included in the SecurityID field? If so, how is it displayed? I would appreciate a few examples, using tag 22=7 and tag 22=1 (cusip) or 2 (SEDOL).
>

4

An ISIN for the example below would be

22=4 48=ANN022251055( for ALDO )

> IDSource and SecurityID go together. IDSource identifies the type of value which SecurityID refers to.
>
> Examples:
> 22=1 48=459200101 (CUSIP for IBM)
> 22=2 48=0236913 (SEDOL for RTR.L Reuters in London)
> 22=3 48=6758 (QUIK for Sony in Japan)
> 22=4 (I don’t know ISIN’s but I think it’s a combo of CUSIP and country or something)
> 22=5 48=RTR.L (RIC for Reuters in London)
> 22=6 48=JPY (ISO Currency code for Yen)
> 22=7 48=EN (ISO Country code for England)
>
> One would not send an Allocation message referencing a country code but one might send a News message referencing a country code.
>
>
>
> > How does the IDSource (tag 22) relate to the SecurityID (tag 48)? Specifically, if the user enters a value 22=7 (ISO Country Code), where is the ISO country code used? Is it included in the SecurityID field? If so, how is it displayed? I would appreciate a few examples, using tag 22=7 and tag 22=1 (cusip) or 2 (SEDOL).
> >
>

5

> An ISIN for the example below would be
> 22=4 48=ANN022251055( for ALDO )

I’m surprised by this example. Is it right?

An ISIN starts with a two letter country code, then has a 9 character identifier (the local identifier belonging to the country, typically but not always numeric) and finally a single check digit. See


for more explanation.

So the example above would appear to be for a security allocated within the Netherlands Antilles, which doesn’t seem to have a numbering agency? AN see for example
http://www.oasis-open.org/cover/country3166.html

An example ISIN is US44914PAB31

Also:
> > 22=7 48=EN (ISO Country code for England)

I don’t believe there is a country code for England. The country code for this piece of land is GB. en is a language code for the English language, often further specified to a geographic region, as in en-gb

Cheers, Dave