Realm laws are laws concerning how the realm is governed.
They require the 
Conclave DLC, and replace both demesne laws and crown authority when the DLC is active.
Note that nomads only have the "Status of Women" law and vassal obligation laws available to them.
Laws which are unchanged
Viceroyalty and centralization laws remain unchanged, but are now found on this tab.
Laws controlling title revocation and inheritance by characters outside the realm are now passed separately, rather than being components of crown authority.
封臣义务
The new laws allow rulers to shift the focus of the obligations of the realm's vassals, between more taxes or more levies. Thus, they trade off taxes vs levies, rather than taxes and levies vs opinion. Obligation laws now determine the minimum vassal levies, replacing one of the features of crown authority.
Nobles prefer tax-shifted obligations, while burghers prefer levy-shifted obligations. These tend to be the opposite of what their lieges prefer. Opinion bonuses and penalties from law changes are only temporary, however. Iqta government do not have Noble and Church obligation laws. Similarly, Feudal governments and Theocracies do not have Iqta obligation laws.
Note that at the default level, Nobles do pay some tax, which is not the case if Conclave is not active.
For all but Tribal Obligations, Legalism 5 and 6 is needed for the Focused and Heavily Focused obligation on either side, respectively.
Since tribal rulers can't collect taxes or raise liege levies from tribal vassals, Tribal obligation laws are effectively useless until you reform to another government type.
| 子类 | 重度税收侧重 | 税收侧重 | 轻度税收侧重 | 税收替代 | 均衡 | 征兵替代 | 轻度征兵侧重 | 征兵侧重 | 重度征兵侧重 |
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部落组织度
To increase tribal organization, a tribal ruler must be independent and have at least a ducal title.
For the effects of this law without Conclave enabled, see Demesne Laws.
| 法律 | 特权 | 惩罚 |
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| 高部落组织度 |
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| 绝对部落组织度 |
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Administration type
| Law | Privileges | Other effects | Requirements | ID |
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| Feudal Administration | ze_administration_laws_0 | |||
| Late Feudal Administration |
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ze_administration_laws_1 | |
| Imperial Administration |
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ze_administration_laws_2 |
封臣宣战
| 法律 | 描述 | 好感 | 要求 | ID |
|---|---|---|---|---|
| 无限制的封臣战争 | Vassals may fight against enemies both within and without the realm so long as Realm Peace is not enforced. | vassal_wars_law_0 | ||
| 只可对外的封臣战争 | Vassals are forbidden from declaring war on enemies within the realm, but may attack external enemies so long as Realm Peace is not enforced. | -5 feudal opinion | Imperial Administration | vassal_wars_law_1 |
| 不允许封臣战争 | Vassals are forbidden from declaring war both within and without the realm. | -10 feudal opinion | Imperial Administration | vassal_wars_law_2 |
Realm peace can be temporarily enforced via the Council tab regardless of the standing law.
Advantages of restricting vassal wars
- Peace improves the economy, especially with prosperity (
) and the Silk Road (
or 
) - Vassals' levies contribute to siege defense
- Vassals depleting their levies will reduce the amount of liege levies you can raise from them.
- May help keep any one vassal from growing too powerful
- Restricting internal wars may encourage vassals to focus on external wars, which expand your realm
- Restricting external wars prevents vassals from launching holy wars, which risks tanking the religion's moral authority if they lose.
Advantages of allowing vassal wars
- Difficulty of getting Imperial Administration; energies may have better returns if spent on other endeavours.
- Available only to emperors
- Faction rebellion is less likely, because:
- Feudal vassals have increased opinion
- Faction members have decreased strength due to war losses
- Faction leaders cannot issue ultimatums while they are at war
- A faction to "increase council power" is less appealing when it only increases council power. (It can also nullify vassal war laws.)
- External vassal wars can expand your realm without incurring as much threat
- May choose to allow vassal wars that benefit you, while intervening in wars that do not
- May revoke titles from vassals who refuse individual demands for peace (with The Reaper's Due and at least Late Feudal Administration)
- More characters gain leadership traits by participating in battles
控制领地继承
| 法律 | 描述 |
|---|---|
| 自由继承 | 对封臣头衔由外国继承没有任何特殊规定。 |
| 限定继承 | 不允许外国人继承封臣头衔。 |
女性地位
Through legislation, it is now possible to empower women by allowing them to take positions on the council. Most council positions first become available to women related to the ruler (dynasty members, close relatives, wives, and concubines), landed vassals, and in some cases nuns. It is possible to enable the highest level of the law by default with the game rules.
At the second highest level, it is possible for Muslims and nomads to pass Agnatic-Cognatic succession, which in turn allows matrilineal marriage. At the highest level, it is possible to pass the Absolute Cognatic succession law, and female rulers do not suffer opinion penalties. These changes are more significant to Muslims and nomads, who previously could only use Agnatic succession and patrilineal marriage. The ability to appoint female commanders expands your talent pool as well. However, it also enable female claimants to start adventurer wars on you.
| 地位 | 科技 | 开放职位 | 女性范围 | 其他效果 |
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| 传统 |  Spymaster
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Wife, Mother | ||
| 边缘 | Tolerance III | Advisor | Landed vassals | |
| Spymaster
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| 重要 | Tolerance IV |  Chancellor Steward
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Relatives, landed vassals, nuns | |
| 显著 | Tolerance V |  Marshal
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Relatives, landed vassals | Allows agnatic-cognatic succession for Muslims and nomads |
| 完全 | Tolerance VI | All positions above; Commander |
All women | Allows cognatic succession No opinion penalty for female ruler No opinion penalty for female heir Female rulers are less vulnerable to weak claims |