No, if you are not a citizen of South Africa you need a visa when entering the country and not an acknowledgement of receipt.
Please treat the receipt attached as an acknowledgement of payment
A receipt is a written acknowledgement that a specified article or sum of money has been received.
No it is not. 1.) A Provisional receipt by definition is subject to certain provisions as may be laid out by the issuer of the receipt. 2.) in general business practice a provisional receipt is usually issued as an acknowledgement of receipt of money or material by someone who is either not authorised to issue a final confirmed official receipt or could not carry out sufficient due diligence in receiving the money/goods and hence issues a provisional receipt till such time as a final confirmed receipt is issued. While for most practical purposes a provisional receipt may suffice, it is always prudent to ensure the final confirmed receipt as early as possible.
It acknowledges receipt of the previous packet in the sequence.
official receipt is a document issued by the seller who has the ability..
In writing, it is the part of your paper where you write expressions of gratitude. An acknowledgement sheet can also be a receipt to show you received something from someone, to confirm you are a member of a group, etc,
When you send a Fax to an addressee, you may receive an acknowledgement, confirming receipt of the faxed text by the said addressee mentioning exact time and date of said receipt.
window
the station window size the congestion window memory buffers receipt acknowledgement
a bill is what you owe and a receipt is what you gave.
The Transmission Control Protocol (TCP) is a core protocol of the Internet protocol suite. The sequence number and acknowledgement number are used to confirm receipt of data.