There are some record in CST_DISTRIBUTION_V every month，how it generated

oracle ebs， 12.2.11 version，

SELECT *
FROM CST_DISTRIBUTION_V T
WHERE 1 = 1
AND T.ORGANIZATION_ID = 169
AND T.TRANSACTION_DATE >= DATE '2025-04-01'
AND T.TRANSACTION_DATE <= DATE '2025-04-30'
AND T.TRANSACTION_TYPE_NAME = '最后完成差异'

every month will generate this transaction_type record， these record generate source is？