CFR / 
Title 27
 / Part 46
 / 
Sec. 46.106 Receipt in lieu of stamp prohibited.
No receipt will be issued in lieu of issuance of a special tax stamp under Sec. 46.116. A receipt may be given only pending the issuance of a stamp, or where the tax liability relates to a prior tax year.
(26 U.S.C. 6314)