The Guide on Solicitors' (Scotland) Accounts Rules 2001 provides a useful refererence aid.
A pdf of The Rules 2001 can be easily downloaded here.
The Guide to Professional Conduct of Solicitors in Ireland (2nd Edition) is available here.
The Solicitors Accounts Regulations 2001 (Statutory Instrument No.421 of 2001) and an amendment to the regulations, Solicitors Accounts (Amendment) Regulations 2005 (Statutory Instrument No.719 of 2005) can be found using the links provided.
Also available are the Solicitors (Interest on Client Monies) Regulations 2004 (Statutory Instrument No.372 of 2004).
Follow the link for the full text of the Solicitors Accounts Regulations 1998 in RTF (Rich Text Format).