Notice of A's absence A will return to Japan till ○, ○ and come back on ○, ○. If there is any document which urgently needs to be signed during absence, B will sign on behalf.
Notification: Mr. / Ms. A"san" has been absent now. Mr. / Ms. A"san" will come back to Japan and come to his/her office from ○,○th. If there are documents needed his/her signature during his/her absent, B san signs in substitution
Out of office notification for A A will return to Japan until (DD-MMM) and back to office on (DD-MMM). If there is any document to be signed in urgent during above period, B will handle on behalf.