若您需要延長常年校友證的期限，請至校友中心官網填寫申請資訊（https://www.alumni.nthu.edu.tw/AlumniCard2.aspx?type=Renew）。

我們收到您的申請表與費用後，將會以掛號方式郵寄新的有效期限貼紙及收據給您，請您自行於校友證上更換即可。

If you'd like to extend the validation of your membership, please fill the application form and finish the payment online: https://www.alumni.nthu.edu.tw/AlumniCard2.aspx?type=Renew

Once we receive your application, we'll renew your membership and send you a new validation sticker as well as a receipt to you.

5 working days is needed for the renewing process.