Demesne laws

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Demesne laws are de facto laws, defining the relationship between a ruler and their vassals. When the Conclave DLC is active, they are replaced by realm laws.

Vassal obligations[edit]

Main articles: Liege tax, Levies#Liege_levy
The obligations section (without Conclave activated)

Laws are graded from low to high, so the higher your taxes for example, the lower your vassals's opinion of you will be.

Note that levies here refer to maximum levies - the amount of their levies that a vassal with an opinion of +100 would provide. Crown laws handle minimum levies.

Highest level have a requirement Legalism technology:

  • Harsh Tax laws require Legalism 6
  • Maximum levy laws require Legalism 7
Feudal Levies

(Non-Muslim)

Minimal
  • 60% Levies
  • +10 opinion
Small
  • 70% Levies
  • +5 opinion
Normal
  • 80% Levies
Maximum
  • 100% Levies
  • -5 opinion
Feudal Tax

(Non-Muslim)

None
  • 0% Tax
Small
  • 10% Tax
  • -10 opinion
Large
  • 20% Tax
  • -20 opinion
Harsh
  • 30% Tax
  • -30 opinion
City Levies Minimal
  • 50% Levies
  • +10 opinion
Normal
  • 65% Levies
Large
  • 80% Levies
  • -10 opinion
Maximum
  • 95% Levies
  • -20 opinion
City Tax Minimal
  • 15% Tax
  • +10 opinion
Normal
  • 25% Tax
Large
  • 35% Tax
  • -10 opinion
Harsh
  • 45% Tax
  • -20 opinion
Temple Levies

(Non-Muslim)

Minimal
  • 50% Levies
  • +10 opinion
Normal
  • 60% Levies
Large
  • 70% Levies
  • -10 opinion
Maximum
  • 80% Levies
  • -20 opinion
Temple Tax

(Non-Muslim)

None
  • 0% Tax
  • +20 opinion
Minimal
  • 35% Tax
Medium
  • 45% Tax
  • -10 opinion
Large
  • 55% Tax
  • -20 opinion
Iqta Levies

(Muslim)

Minimal
  • 60% Levies
  • +10 opinion
Small
  • 70% Levies
  • +5 opinion
Normal
  • 80% Levies
Maximum
  • 100% Levies
  • -5 opinion
Iqta Tax

(Muslim)

None
  • 0% Tax
  • +10 opinion
Small
  • 10% Tax
Large
  • 20% Tax
  • -10 opinion
Harsh
  • 30% Tax
  • -20 opinion

Centralization[edit]

A centralized state is important for the liege to grow powerful, but a decentralized state might be easier to maintain (or necessary, if the liege has many direct vassals). If the Conclave DLC is activated, this law is found under the Realm laws tab.

Law Vassal limit Desmesne size Requirements ID
Decentralized +10 - - centralization_0
Low Centralization +5 +1 Legalism 1
Low Tribal Organization or higher (for tribal rulers)
centralization_1
Medium Centralization - +2 Legalism 2
Medium Tribal Organization or higher (for tribal rulers)
centralization_2
High Centralization -5 +3 Legalism 3
High Tribal Organization or higher (for tribal rulers)
centralization_3
Centralized -10 +4 Legalism 5
Absolute Tribal Organization or higher (for tribal rulers)
centralization_4

Tribal organization[edit]

Tribal organization applies to independent tribal rulers and replaces crown laws. It can only be changed one increment at a time, but unlike crown law a ruler may change it more than once in their lifetime.

Law Unreformed pagan vassal opinion Privileges ID
Minimum Tribal Organization +5 tribal_organization_0
Low Tribal Organization -5 Title revocation tribal_organization_1
Medium Tribal Organization -10 Free revocation of titles from infidels and heretics tribal_organization_2
High Tribal Organization -20 Tribal vassals provide levies and taxes tribal_organization_3
Absolute Tribal Organization -30 Allows reforming a tribe into a feudal realm or merchant republic tribal_organization_4

Viceroyalty[edit]

With the Charlemagne DLC, independent feudal emperors can grant kingdoms or duchies to vassals as Viceroyalties. Unlike regular titles, viceroyal titles automatically revert to the liege upon their holder's death, lessening the chance that vassals will grow too powerful or pass their titles on to disloyal heirs. If the Conclave DLC is activated, this law is found under the Realm laws tab.

Note that each viceroyalty you create will generate -2 approval from all of your vassals. The stacking of this negative approval can be problematic if you use viceroyalties often.

Law Vassal limit Privileges Requirements ID
No Viceroyalties vice_royalty_0
Kingdom Viceroyalties -5 Allows nominating Viceroys Legalism 4 vice_royalty_1
Duchy Viceroyalties -10 Allows nominating Minor Viceroys Legalism 8 (or automatic with Imperial Administration) vice_royalty_2

Administration[edit]

Applies to independent feudal emperors. The Byzantine Empire starts with Imperial Administration, while other realms will only be able to adopt it later in the game.

Law Vassal limit Feudal opinion Privileges Requirements ID
Feudal Administration - - - - feudal_administration
Imperial Administration +25 -10 Enables Duchy Viceroyalties law
Free revocation of viceroyal duchies
Free revocation of duchies (without Charlemagne)
Free retraction of vassals, even from kings
Absolute crown authority, Majesty 5. imperial_administration

Note that if you are an emperor and don't see an option within Demesne Laws / Realm Laws to choose between "Feudal Administration" and "Imperial Administration", you may need to scroll down to see those options.

Note that Imperial Administration automatically gains ability to have kingdom and duchy viceroys, regardless of legalism. This may be considered a bug and changed in a later update.

Changing demesne laws[edit]

Rulers can seek approval to change a demesne law every 5 years. All vassals get a vote, weighted depending on their titles. Muslims change laws using piety instead and do not need voter support.

Realm
Landed titles
Laws
Succession lawsCrown lawsDemesne lawsRealm lawsCouncil laws