Such rules should, in general, be based on existing provisions.
The existing provisions were in line with the relevant international instruments.
The proposed law expands the existing provisions with regard to broader control.
In addition, new wording should be added to clarify several existing provisions.
He said that to claim that existing provisions were sufficient was not satisfactory.
We say that we shall not extend the existing provisions.
The structure of the existing provisions is not always appropriate.
La estructura de las disposiciones existentes no es siempre apropiada.
Nothing should be done which might undermine the existing provisions.
No debe hacerse nada que pueda socavar las disposiciones existentes.
This does not entail material changes in the existing provisions.
Esto no supone ninguna modificación fundamental de las disposiciones vigentes.
Moreover, existing provisions are not being properly implemented.
Por otra parte, las disposiciones existentes no se aplican correctamente.
An additional issue was the implementation of existing provisions.
La aplicación de las disposiciones existentes era una cuestión adicional.
There is an intention to amend existing provisions where necessary.
Se pretende enmendar las disposiciones existentes que lo precisen.
Annual laws on finance supplement or amend existing provisions.
Las disposiciones existentes se completan o modifican mediante leyes de finanzas anuales.