A nation's or organisation's Treaty Office will often include in its website an overview (at least) of how a treaty becomes law in that jurisdiction.
Ratification of Treaties in the United Kingdom
Ponsonby Rule 1924 - 2010
The Ponsonby Rule was the Parliamentary convention which gave time for treaties to be scrutinised by parliament prior to ratification
National treaty law and practice by Table of Contents of above book:
Ch 1 Comparative Approach to Treaty Law and Practice ;
Ch 2 Austria ; Ch 3 Canada ; Ch 4 Chile ; Ch 5 China ; Ch 6 Colombia; Ch 7 Egypt ; Ch 8 France; Ch 9 Germany ; Ch 10 India ; Ch 11 Israel ;
Ch 12 Japan ; Ch 13 Mexico ; Ch 14 Netherlands ; Ch 15 Russia ; Ch 16 S.Africa; Ch 17 Switzerland; Ch 18 Thailand; Ch 19 UK; Ch 20 USA