Alternative: tax collection. (Not as good, because collection is usually an enforcement function, distinct from tax receipts.)
Alternative: tax receipts. (Unfortunately, a "receipt" is mainly a piece of paper. But agencies have strange names, and I don't think "receipts" would be wrong.)
Alternative: receiving of tax payments.

Bom, estou traduzindo um documento e nao se como traduzir recebimento fiscal (um departamento da empresa) Seria Accounts Receivable? ou outra coisa?

I believe you want Receiving Department, almost always Shipping and Receiving, meaning that the latter isn't often split into separate Shipping/Receiving components

http://forum.wordreference.com/showthread.php?t=1035129

https://docs.google.com/viewer?a=v&q=cache:6WeqBDLop_4J:www....

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Note added at 2 hrs (2012-07-28 18:53:26 GMT)
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4.010 Administrative Policy On Interdepartmental Billing And ...
countypolicy.co.la.ca.us/4.010.htm
11 Oct 1996 – The receiving department should obtain budget adjustments during the fiscal year when appropriations are insufficient to pay for services ...

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Note added at 2 hrs (2012-07-28 18:55:47 GMT)
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Phoenix College : Fiscal
www.pc.maricopa.edu/index.php?page=129&subpage=491...
Block all www.pc.maricopa.edu results
The Fiscal office is the final approver on requisitions, and turns them into ... are for tangible items, normally received through the college's Receiving department.