Blank taxi receipts appear on Sample Templates and wikiDownload, as of 2015. Taxi receipts are available to download for free in PDF or Microsoft Word format.
Blank taxi receipts appear on Sample Templates by clicking Sample Receipts on the right side of the page, then clicking 16+ Receipt Templates. Clicking Download under the template of choice downloads the template in Microsoft Word format.
Blank taxi receipts are available on wikiDownload.com by typing "taxi receipt" in the search bar, then clicking the Search icon. Links for different taxi receipts display on the next page. Clicking one of the links downloads the template in PDF format.