What is the abbreviation for restated?

There isn't a widely recognized abbreviation for "restated." However, depending on the context, you could use:

* Rstd. This is a fairly common abbreviation, particularly in financial documents.

* Rest. This is another possibility, but it might be ambiguous since "rest" can have other meanings.

* (R) This is a more informal abbreviation that could be used in some situations.

Ultimately, the best abbreviation depends on the specific context and your audience. It's always a good idea to define the abbreviation the first time you use it.