They are informally negotiated navy to navy, rather than through the more potentially hostile venues of governments and treaty arrangements.
Some countries do not require a visa in some situations, such as a result of reciprocal treaty arrangements.
States enter into treaty arrangements as an expression of their sovereignty.
This is another example of a treaty device to include third parties in the treaty arrangement.
Foreign national employees where status of forces agreements or other treaty arrangements provide for medical services.
And treaty experts question the constitutionality of Treasury crafting a new treaty arrangement without Senate approval.
The October 1923 Honduran presidential elections and the subsequent political and military conflicts provided the first real tests of these new treaty arrangements.
By the same token, the treaty arrangements that these countries may individually wish to make with other states must be matters for them.
Qatar ended its treaty arrangements with Britain in 1971, becoming an independent nation.
The same values are also mentioned in the new treaty arrangements between the EU and Russia.