What is the abbreviation for method statement?

There isn't a standard abbreviation for "method statement." It's usually written out in full, especially in formal documents.

However, some people might use informal abbreviations like:

* MS: This is the most common abbreviation used.

* Meth. Stmt.: This is a more formal abbreviation, but it is less common.

Ultimately, the best way to abbreviate "method statement" depends on the context and your audience. If you are unsure, it is always best to write it out in full.