The Office of Government Ethics has also concluded that the payment to Cohen "meets the disclosure requirement for a reportable liability".
In last year's disclosure, Trump reported making at least $528.9 million - a number that appears to mix total revenue from his businesses with income - from January 2016 through April 15, 2017.
Trump submitted the document on Tuesday, the deadline for administration employees to file their financial documents.
The document did not explicitly state what the payments were for.
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Manafort's notes also contain references to "tied into Cheney" and "active sponsors of RNC" without any further explanation. But there is also discrepancy between the meeting participants about how long Kushner was present.
Trump said he was listing the reimbursements to Michael Cohen - first made public by lawyer Rudy Giuliani two weeks ago - "in the interest of transparency", even though he said he was not required to disclose them.
The form will cover all of 2017 and some of 2018. "The information related to the payment made by Mr. Cohen is required to be reported", the officials said.
"Mr. Cohen, an attorney, received a monthly retainer, not from the campaign and having nothing to do with the campaign, from which he entered into, through reimbursement, a private contract between two parties, known as a non-disclosure agreement, or NDA", Trump wrote on Twitter, reversing an earlier statement that he was unaware of the payment.
Trump has been secretive about his personal finances.
The Mar-a-Lago resort, where the president frequently escapes for winter weekends, collected more than $25 million last year, down from $37 million from last year's report. "The forms will be available through the Office of Government Ethics". The agency reviewed the form and made it public on Wednesday.