Universal Prayers at Mass


#1

I would like a bit of clarification regarding the universal prayers at Mass. The G.I.R.M. lists the norm for the series of intentions as:
a) for the needs of the Church;
b) for public authorities and the salvation of the whole world;
c) for those burdened by any kind of difficulty;
d) the local community

Now, does this mean that each of these intentions should be included at each Mass, and in that order?
Also, regarding "b) for public authorities and the salvation of the whole world," are both of these to be included each time?
Also, are these prayers supposed to be general, or can the be specific within the categories (a-d)?
Thanks so much.


#2

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