Go with "number." You may not know who your recipient audience will be. Always s-p-e-l-l it out not just sp. it. Regards; Warren Lewington Technical Writer Compliance and Enforcement ________________________________ From: austechwriter-bounce@xxxxxxxxxxxxx [mailto:austechwriter-bounce@xxxxxxxxxxxxx] On Behalf Of Garry Stevens Sent: Tuesday, 12 October 2010 12:57 PM To: (austechwriter@xxxxxxxxxxxxx) Subject: atw: Style question: "Number" or "No." Note: This e-mail is subject to the disclaimer contained at the bottom of this message. ________________________________ Hi All: I am rewriting 450 standard letters. Lucky me. In the reference block, I'm wondering which is the more "modern" style: Mr Fred Nurk 12 Blah St Sydney Our Reference Number : 3456 Or.... Mr Fred Nurk 12 Blah St Sydney Our Reference No.: 3456 Or.... Our Reference: 3456 Normally a little question, but it looms large when you have to do it 450 times. Garry ________________________________ The information transmitted in this message and its attachments (if any) is intended only for the person or entity to which it is addressed. The message may contain confidential and/or privileged material. Any review, retransmission, dissemination or other use of, or taking of any action in reliance upon this information, by persons or entities other than the intended recipient is prohibited. If you have received this in error, please contact the sender and delete this e-mail and associated material from any computer. The intended recipient of this e-mail may only use, reproduce, disclose or distribute the information contained in this e-mail and any attached files, with the permission of the sender. This message has been scanned for viruses. ________________________________ Before printing, please consider the environment. IMPORTANT NOTICE: This e-mail and any attachment to it are intended only to be read or used by the named addressee. It is confidential and may contain legally privileged information. No confidentiality or privilege is waived or lost by any mistaken transmission to you. The RTA is not responsible for any unauthorised alterations to this e-mail or attachment to it. Views expressed in this message are those of the individual sender, and are not necessarily the views of the RTA. If you receive this e-mail in error, please immediately delete it from your system and notify the sender. You must not disclose, copy or use any part of this e-mail if you are not the intended recipient.