Once you add a security master record, the system locks certain fields so that they cannot be changed. Other fields are locked when there is a position on the security.

Fields Locked After the Security Master Record is Processed

The fields listed in this section are always locked after the security master record is processed.

Locked Fields for Equity/Fixed Income Securities

The following fields for equity/fixed income securities are locked after the security master record is processed.

Option	Tag
Release Status	614
Authorize Flag	11742
Validation Process Flag	4569
XRef Exchange	1981
Investment Type	11
Processing Security Type	3931
Quantity Type	12
Price Multiplier	18
Quantity Scale	19
Asset Currency	85
Country of Incorporation Code	1174

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Locked Fields for Cash Securities

The following fields for cash securities are locked after the security master record is processed.

Option	Tag
Investment Type	11
Quantity Type	12
Quantity Scale	19
Asset Currency	85
Income Currency	1186
Settlement Currency	63
Currency Precision	1451

Locked Fields for Forward Securities

The following fields for forward securities are locked after the security master record is processed.

Option	Tag
Release Status	614
Authorize Flag	11742
Validation Process Flag	4569
Forward Issue Name (Sell)	961
Forward Issue Desc (Sell)	962
Forward Issue Name (Buy)	1104
Forward Issue Desc (Buy)	351
Ticker	360
Primary Asset ID Type	1103
Primary Asset ID	364
Investment Type	11

Locked Fields for Index Securities

The following fields for index securities are locked after the security master record is processed.

Option	Tag
Release Status	614
Authorize Flag	11742
Validation Process Flag	4569

Locked Fields for Futures/Options

The following fields for futures/options securities are locked after the security master record is processed.

Option	Tag
Release Status	614
Authorize Flag	11742
Validation Process Flag	4569
X Ref Exchange	1981
Investment Type	11
Issuer Industry	1417

Locked Fields for Swaps

The following fields for swap securities (except credit default swaps) are locked after the security master record is processed.

Option	Tag
Release Status	614
Authorize Flag	11742
Validation Process Flag	4569
X Ref Exchange	1981
Investment Type	11
Final Exchange of Principal	8555
Payment Frequency	2287
Payment Frequency Code	472
Issue Price	69
Maturity Price	42

Locked Fields for Credit Default Swaps

The following fields for credit default swaps securities are locked after the security master record is processed.

Option	Tag
Release Status	614
Authorize Flag	11742
Validation Process Flag	4569
Investment Type	11
Quantity Type	12
Settlement Currency	63
Income Currency	1186
Pay/Rec Indicator	4590
Underlying Ticker	1349
Country of Incorp Code	1174

Fields Locked Due to an Existing Position on the Security

The following fields on a security master record are locked when there is an existing position on the security. This occurs because modifications to the security master record can affect the position.

Option	Tag
Investment Type	11
Processing Security Type	3931
Quantity Type	12
Price Multiplier	18
Quantity Scale	19
Asset Currency	85
Dual Currency Indicator	11802

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