Per Fasb Accounting Standards Codification
Referring guidance from the codification directly is more clear and accurate to users where the guidance is coming from. In our textbook, it suggests to “write its full title, include the numerical reference for the topic you are citing, as well as a parenthetical description of the topic name. For example,
Per FASB Accounting Standards codification (ASC) topic 840-10-20-1(Lease)...”
Also, "not everyone reading your memo was an accounting major and understands the acronym ASC. Therefore, it is important initially to provide the full name of the Codification, then to use the parenthetical (ASC) to show that you will abbreviate this term in future references within the memo. After your initial reference to the Codification, it is acceptable
Per FASB Accounting Standards codification (ASC) topic 840-10-20-1(Lease)...”
Also, "not everyone reading your memo was an accounting major and understands the acronym ASC. Therefore, it is important initially to provide the full name of the Codification, then to use the parenthetical (ASC) to show that you will abbreviate this term in future references within the memo. After your initial reference to the Codification, it is acceptable