Use of date of written statement as application filing date
We will use the date a written statement, such as a letter, an SSA questionnaire or some other writing, is received at a social security office, at another Federal or State office designated by us, or by a person we have authorized to receive applications for us as the filing date of an application for benefits, only if the use of that date will result in your eligibility for additional benefits. If the written statement is mailed, we will use the date the statement was mailed to us as shown by a United States postmark. If the postmark is unreadable or there is no postmark, we will use the date the statement is signed (if dated) or 5 days before the day we receive the written statement, whichever date is later, as the filing date of an application for benefits. In order for us to use your written statement to protect your filing date, the following requirements must be met: