If you'd like to receive your passport by next week, today is the last day to submit your application.
If you'd like to get your new passport sometime next week, you'll have to pass in all your documents no later than today.
この場合、次のような言い方ができますよ。
ーIf you'd like to receive your passport by next week, today is the last day to submit your application.
「来週中にパスポートを受け取りたいなら、今日が申請書を提出する最後の日です」
to receive your passport by next week で「来週中にパスポートを受け取る」
today is the last day to ... で「今日が…する最後の日です」
ーIf you'd like to get your new passport sometime next week, you'll have to pass in all your documents no later than today.
「来週中に新しいパスポートが欲しいなら、今日中に全ての書類を提出しなければいけません」
to get your new passport sometime next week で「来週中に新しいパスポートを取得する」
no later than today「今日中に・遅くても今日までには」
ご参考まで！
カナダ 
