By Sally French | NerdWallet

When it’s time to renew your U.S. passport, you’ll probably have to do so by mail. That means sending away your current passport and hoping that not only will you receive a fresh, renewed passport — but also that you’ll get your original passport back.

Some people may prefer renewal by mail; there’s no need to go to a government office and no need to stand in line. But for others, the idea of sending one of their most important documents through the mail — at the risk of losing it — is hardly preferable at all.

Although there are circumstances in which in-person renewal is required, it’s not an option in most situations. Mailing your passport to the National Passport Processing Center is usually the only way to renew it.

With that in mind, here’s what you need to know about renewing a passport, and how to reduce the risk of it getting lost in the mail.

There was a time when you could renew your passport online, but for now, most passports can be renewed only by mail. The U.S. Department of State requires mail renewals if all of these conditions apply to you:

If all of the above is true, you’re ineligible to apply in person for renewal, and passport acceptance facilities will not take your renewal application.

If any of those statements are not true, then you’ll have to apply in person. (More on that later.)

If you’re concerned about your original passport getting lost, here are some tips:

If one or more of the conditions in the State Department’s list above do not apply to you, then you’ll probably have to renew in person at a Passport Acceptance Facility, such as one of the thousands of Postal Service locations around the country.

You’ll need to bring various documents, including a photo, a fresh application form and your most recent passport.

At the time of publication, passport processing times for renewals were seven to 10 weeks, according to the State Department. If you need your passport sooner than that, you might be able to get out of sending it through the mail.

If your international trip is eight to 11 weeks out, then you’ll have the worst of both worlds: You’ll have to drop your passport in the mail, and you’ll have to pay a $60 expedited fee in addition to the normal application fee.

But for those heading abroad within seven weeks, you’ll have to make an appointment at a passport agency or center. That may be inconvenient, but at least you won’t have to put your passport in the mail. If you’re lucky, you might even be able to get a passport in one day.

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The article Do I Have to Renew my Passport by Mail? originally appeared on NerdWallet.