Key words

The following words may be used to identify this type of reference:

Always present:

"Treaty" or "Agreement"
"Investment" or "Economic Relations" (this key word distinguishes this type of reference from a more general bilateral treaty
The names of the two contracting states

For example:

Treaty between State A and State B concerning the Encouragement and Reciprocal Protection of Investment
Treaty between State A and State B concerning Business and Economic Relations
Agreement on Encouragement and Reciprocal Protection of Investment between State A and State B
State A/State B BIT
State A-State B BIT