SEATTLE — Four Postal Service locations will offer late hours for tax mail collection on Thursday, April 15, 2010

Postage can be purchased and tax forms deposited until midnight at the Riverton Station, 15250 32nd Ave. S., Seattle.

Mail will be picked up from the collection boxes at the Tacoma Mail Processing Center, 4001 S. Pine St., the Everett Mail Processing Facility, 8120 Hardeson Rd., and at the Wenatchee Mail Processing Facility, 3075 Ohme Rd., at midnight to ensure getting an April 15 postmark on federal tax returns.

• Make sure your tax return has sufficient postage. First-Class postage is 44-cents for the first ounce and 17-cents for each additional ounce. If you are mailing a number of supplementary forms and schedules with your return, the envelope is likely to weigh more than one ounce.
• The IRS will not pay postage due. Mail with insufficient postage is returned to sender. If you are in doubt about how much postage to apply, use a lobby scale, the scale on an APC (Automated Postal Center) or ask a postal clerk for assistance.
• If possible, mail your return using the pre-addressed envelope provided by the IRS. If you must prepare another envelope, make sure the address is legible and include your return address.
• When mailing your return at a post office not on the list for late pickup, check the times posted on the blue collection box to determine the last scheduled pickup time.
• Remember, postage can be purchased at any Automated Postal Center (APC). Check usps.com for a location near you.

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A self-supporting government enterprise, the U.S. Postal Service is the only delivery service that reaches every address in the nation, 150 million residences, businesses and Post Office Boxes. The Postal Service receives no tax dollars. With 36,000 retail locations and the most frequently visited website in the federal government, the Postal Service relies on the sale of postage, products and services to pay for operating expenses. Named the Most Trusted Government Agency five consecutive years and the sixth Most Trusted Business in the nation by the Ponemon Institute, the Postal Service has annual revenue of more than $68 billion and delivers nearly half the world’s mail. If it were a private sector company, the U.S. Postal Service would rank 26th in the 2008 Fortune 500.