Hi,I incept the basic law “第三十九条 《公民权利和政治权力国际公约》、《经济、社会与文化权利的国际公约》和国际劳工公约适用于香港的有关规定继续有效,通过香港特别行政区的法律予以实施。“.
I read it as a continued practice as what did in HK before 97.
The clause about universal suffrage is no.45, which is more general.
So, i don't think the basic law is violated.