Can I edit or delete a manually recorded per diem trip?

No. Only Customer Support can edit or delete a manually recorded per diem trip once the entry has been saved within the Per Diem Plus app. Contact Support HERE.  Please identify the date, reason for edit / deletion and correction required, i.e. location, per diem amount. NOTE: This lockdown feature exists solely to comply with IRS audit document trace rules, which contributes to the Per Diem Plus app being accepted as a substitute for ELD logbook backups to substantiate per diem.