Chapter 1 - Introduction to PIL Dr.Halida.pdf

AnneMarieDawson4 4 views 15 slides Oct 17, 2025
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About This Presentation

lecture on chapter 1 PIL


Slide Content

NATURE OF PUBLIC INTERNATIONAL
LAW
NurhalidaMohamed Khalil
Faculty of Law, University of Malaya

Definition of Public International Law (PIL)

A system of rules and principles that regulate conduct of states and international
organizations.

Also certain conduct of individuals, but only to very limited extent

“ThevariousdevelopmentssincethetwoWorldWarsnolongercountenancethe
viewthat,asamatterofpositivelaw,Statesaretheonlysubjectsofinternational
law.Inproportionastherealizationofthefactsgainsground,therebeanin
increasingdispositiontotreatindividuals,withinalimitedsphere,assubjectsof
internationallaw’’–H.Lauterpacht

PIL and the Centrality of the State

Thestateaslegalperson

Statesasprimarysubjectsofinternationallaw

Historically,statesonlysubjectsofinternationallaw

TreatyofWestphalia1648

InternationalorganizationsnowimportantsubjectsofPIL

Individuals:internationalhumanrightslawandinternationalcriminallaw

Corporationsenjoyingstandingpursuanttotreaty

ProliferationofsubjectsofPIL

PIL and the Centrality of the State

Thestateasterritorially-boundedsovereignty:

notionofstateterritory

cujusregioejusreligio

PILregulatingcertainaspectsofstate’sconductwithinitsterritory

state’sexercisingsupremeauthoritywithinitsterritory

PIL and the Centrality of the State

TheSovereignEqualityofStates:

nopowerinherentlysupremeoverit

parinparemnonhabetimperium

anothercentralorganizingconceptofinternationallegalorder

International Law and the Domestic Analogy

Institutionsoflegalsystemofmodernliberalstateininternational
system?

Otherfeaturesofinternationallegalsystems,e.g.suigeneris

Mechanismsanalogoustomechanismsofmodernliberalstate

International Law: Compliance and Enforcement

Complexissueofstates’compliancewithinternationallawandthe
settlementofinter-statedisputeisacomplexissue

Directlyrelatedtoconceptofstatesovereignty

International Law: Compliance and Enforcement

Isinternationallawworking?

Howareinternationalruleslaiddowninthefirstplace?

UndeniableproblemsofcompliancewithandenforcementofPIL

International Law: Compliance and Enforcement

WhydostatesobeyIL?

stabilityandpredictabilityintheirrelationswithotherStates

ensureotherStates’compliancewiththeirobligations

itisineveryState’sintereststoabidebytheruleoflaw

theneedtoprotectcommonanduniversalhumanvalues

Enforcement of PIL

Article39andChapterVIIofUNC

Militaryactionoreconomicsanctions

The‘coldwar’andtheimpositionofsanctions

ThevetopowerbythefivepermanentmembersoftheSC

‘NewWorldOrder’

Abreachofthepeace,threattothepeaceoractofaggression

Loss of Legal Rights and Privileges

Violation resulting in loss of corresponding legal rights and privileges

Termination of diplomatic relations, restriction of economic aid or
cancellation of supply agreements

A state’s unlawful action causing the community at large to impose
penalties

Methods of enforcement causing embarrassment and hardship to the
delinquent state

Judicial Enforcement

Anysettlementofthedisputebyathirdpartyonthebasisofagreement

Variousproceduresforthesettlementofdisputesbyjudicialmeans

TheInternationalCourtofJustice(ICJ)asprincipaljudicialorganoftheUN

ICJ’sawardisbindingonthepartiesandmustbecarriedout

Growthofspecializedjudicialinstitutions

Peaceful Settlement of Disputes

Article33UnitedNationsCharter:

negotiation,enquiry,mediation,conciliation,arbitration,judicialsettlement,
resorttoregionalagenciesorarrangements,or“otherpeacefulmeansof
theirownchoice

The Binding Authority of International Law

Statefreetoassumelimitationonsovereignty,thisbeing
expressionofsovereignty:‘TheSSWimbledon’

Scope of IL

The rules and principles of international law are increasingly important to the functioning of our
interdependent world and include areas such as:

telecommunications, postal services and transportation (such as carriage of goods and passengers)

international economic law (including trade, intellectual property and foreign investment)

international crimes and extradition

human rights and refugee protection

the use of armed force by States and non-State actors

counter-terrorism regulation

nuclear technology

protection of the environment

use of the sea, outer space and Antarctica