# ASC 320-946-40: Investments—Debt Securities — Financial Services—Investment Companies — 40 Derecognition

Source: FASB Accounting Standards Codification, Basic View

[Read online](https://asc.understandingaccounting.org/asc/320/946/#40-derecognition)

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## ASC 320-946-40: 40 Derecognition

[Read section](https://asc.understandingaccounting.org/asc/320/946/#40-derecognition)

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#### Determining Costs and Realized Gains and Losses

##### [320-946-40-1](https://asc.understandingaccounting.org/asc/320/946/#320-946-40-1)

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The cost of investment securities held in the portfolio of an investment company and the net realized gains or losses thereon shall be determined on the specific identification or average-cost methods. An investment company shall use only one method for all of its investments.