Schedule - a written or printed statement of details, often in classified or tabular form, esp. one forming an appendix or explanatory addition to another document.
http://dictionary.reference.com/browse/schedule

[PDF] INSTRUCTIONS FOR COMPLETING VALUE ADDED TAX (VAT) RETURN File Format: PDF/Adobe Acrobat - Quick View
9 Sep 2008 ... Refer to the attached VAT Input schedule .... AND SERVICES ACQUIRED. THIS SCHEDULE IS TO BE ATTACHED TO THE VAT RETURN.
www.frca.org.fj/.../IRS217 - VAT return instruction.pdf - Similar

[PDF] eleventh dimension VIDEO ANIMATION STUDIO File Format: PDF/Adobe Acrobat - Quick View
5.1 The Buyer shall pay the Price for the Services, which is inclusive of VAT, as described in the schedule attached. 5.2 The Buyer shall pay the Supplier ...
www.eleventhdimension.biz/CONTRACT_OF_SERVICE_11th.pdf - Similar


Schedule - is actually like appendix or annex, but that is how they call it in tax return. It list details of payment or purchase chronologically.

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Note added at 28 mins (2009-10-30 13:26:23 GMT)
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http://www.qh-n-tax.gov.cn/fwdt/wsxz/sbzslws/P02008060438408...

sample of the form.

But I do not really know how to translate it, here in the Philippines, they are just enumerated as Schedule 1, 2, 3... depending on how many kinds of detailed information are required.

[PDF] INSTRUCTIONS FOR COMPLETING VALUE ADDED TAX (VAT) RETURN FOR GOODS ... File Format: PDF/Adobe Acrobat - Quick View
the goods (VAT inclusive price). Note: If the schedule on the form is insufficient, attach your own schedules to the return. Total sales ...
www.frca.org.fj/.../forms/IRS219 - Special VAT return.pdf - Similar

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Note added at 1 day4 hrs (2009-10-31 17:07:28 GMT)
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sample of VAT forms with Schedule(s) included or attached.
Search for 'Schedule' and you'll see that they are tables that enumerate certain details. If the form is too short, additional sheets are required.

http://www.pextax.com/Revised_VAT_Forms/VAT_28.doc
http://www.formsphilippines.com/forms/bir45.pdf
ftp://ftp.bir.gov.ph/webadmin1/pdf/154491604cf.pdf

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Note added at 5 days (2009-11-05 02:48:30 GMT)
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Indeed, (附列资料 ) annex or appendix is used in patents or law documents, whereas supplement is used for books, magazines or newspaper. As to 'schedule' I will paste again the link for you, you may need some time to digest and accept.

Schedule - a written or printed statement of details, often in classified or tabular form, esp. one forming an appendix or explanatory addition to another document.
http://dictionary.reference.com/browse/schedule


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Note added at 5 days (2009-11-05 02:57:53 GMT)
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Information listed in the Schedule are definitely data that supply additional information. For example, http://www.formsphilippines.com/forms/bir45.pdf
look at 28C "Creditable Value-added tax withheld (see Schedule 1)" , the 28C only provide a value, if you want to know its breakdown & source, you'll need to refer to Schedule 1.