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
was the Parliamentary convention which gave time for treaties to be scrutinised by parliament prior to ratification
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