Caput II – Lex Aquilia and Property Law

by Michael Lambert

February 2025

Caput II – Lex Aquilia and Property Law

by Michael Lambert

February 2025

Caput II. Lex Aquilia and Property Law

 

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Roman Law and The Citizen

A six-part series presented in two, three-month segments

January-March and July-September

It is recommended you read the January introduction

 

 

 

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quid est lex?

What is the law?

                                               Asked by the loosing defendant                                                   

 

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The Background

 

Caput I, the first chapter in this six-part series, Roman Law and the Citizen, introduced the Third Section of lex Aquilia by discussing the development and evolution of case law, when statute law offers no remedy

 

Caput II continues examining the maturation of Roman jurisprudence: including cases grappling with the definition of the Latin verb rumpere, to rend and its relationship with property: the adulteration of crops, faulty workmanship on a cistern, the thin line between property damage and property theft and other shenanigans on the road to the Forum. The focus is the Third Section of lex Aquilia. The Romans did not cite the Second Section of lex Aquilia. The Second Section is not discussed

 

A Brief Discussion of Roman Social Values Regarding Property

 

Roman jurisprudence is present in all aspects of life, its successes and failures

 

Discussed below are broad Roman foundational values regarding property

 

Roman jurists focused on res privata, private property over other types of property such as res divini iuris, things under divine law such as burial grounds. The Romans recognize res publicae, public property such as a harbour and other matters being res extra patrimonium, things outside ownership, the sea

 

Ulpianus, a leading jurist, says res, things comprise both legal relations and rights. Even freedom is considered a thing, with autonomy being res inaestimabilis, an invaluable thing

 

Property concerns itself with res, things. The feminine noun res is a well-met lady, she is encountered in the marketplace or in the counting house or in the law court. Her gad-about nature is vague and ambiguous. Examples of res are the things of a deceased person’s estate. Roman contract law refers not only to the object in question res, but also to its re contrahere, physical delivery to the other party. Then there is privately held property: res in patrimonio being the thing in the wine jug held by a swaying Saturnus Salubrious at the taberna, the inn

 

Property may be res mobiles, things movable or res immobiles, things immovable. Of the two categories the former applied to personal property, the latter to land and buildings, the real estate. Ownership is entitlement. Possession is fact

 

The jurists contend that property fulfills two conditions: dominium, ownership and possessio, possession

 

Under Roman law, dominus, the property owner has full power with no limitations than those established by legislation or imposed by the nature of the thing itself. Ownership encompasses the right to have, hold, use, enjoy, and alienate a thing, as well to bring an action to recover it when necessary. The owner can give up or lose some of these rights. Ownership is the strongest legal title bestowed by law, but it is not absolute. Title is not restricted, but public order and the interests of the community did justify some limits to private ownership. Special restrictions on use of res immobiles are accepted

 

 Five juristic cases are discussed below: Cases VIII to XII

 

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Case VIII

 

Gaius. 3.217. Institutiones. obiter dictum. Third Section. Property Damage and Verb “To rend”. lex Aquilia

 

 

…si quid enim ustum aut ruptum  1 aut fractum fuerit, actio hoc capite constituitur, quamquam potuerit sola rupti appellatio in omnes istas causas sufficere. Ruptum enim intellegitur quod quoquo modo corruptum est, unde non solum usta aut rupta aut fracta, sed etiam scissa et collisa et effuse et quoquo modo vitiata aut perempta atque deteriora facta hoc verbo continentur

…for if anything is burned or rent (ruptum) or broken, an action is established by this Section; but the term rent (rupi) could suffice for all these cases. For a thing is construed as rent (ruptum) when it is spoiled (corruptum) in any way. Hence this word includes not only things burned or rent or broken, but also things torn and dashed and poured out and, in any way, harmed or destroyed and (so) diminished in value

 

 

Footnote.

1

rumpo, rumpere, rupi, ruptum. 3rd conjugation. To rend (to tear something into two or more pieces)

    

 

lex Aquilia, the Third Section; focuses on property law and compensation. The jurists give the Third Section a broader usage than statute law allows

 

Central to the Third Section is the verb: rumpere, to rend. A usage example of the verb is: cum nullis nec gladio nec cultro laceram per manum rumpebam, “With none, neither sword nor knife, by hand, I rend my cloak.” That is to say: to destroy by tearing the cloak into several pieces, therefore: by rending my cloak, I am neither able to wear it nor realize its economic worth. The jurists give rumpere a wider sense than statute law allows, including: to burn, break, spoil, dash, pour out something; in such a manner as to physically destroy the item and to destroy its economic value

 

For the plaintiff to be successful, the defendant must physically damage the item, an act of commission. Also, the damage must be sufficient to result economic loss

 

The plaintiff owns an orchard. He hires a driver with wagon to take the fruit to market. On market day the hired driver is absent. The orchard owner still has the fruit, with lost worth, id est: since the res is not transported to market, there is no sale of the res

 

Jurists allow an in factum action. Though no physical damage is suffered, not taking the fruit to market is equivalent to a physical loss since the economic consequence is the same

 

Case IX

 

Ulpianus. D.9.2.27.13-15. libro XVIII ad Edictum. obiter dictum. Property Damage, Adulteration of Grain. lex Aquilia

 

 

Inquit lex ‘ruperit’, rupisse verbum fere omnes veteres sic intellexerunt ‘corruperit’. Et ideo Celsus 1 quaerit, si lolium aut avenam in segetem alienam inieceris, quo eam tu inquinares, non solum quod vi aut clam dominum posse agree vel, si locatus fundus sit, colonum, sed et in factum  agendum, et si colonus eam exercuit, cavere eum debere amplius non agi, scilicet ne dominus amplius inquietet: nam alia quaedam species damni est ipsum quid corrumpere et mutare, ut lex Aquilia locum habeat, alia nulla ipsius mutatione applicare aliud, cuius molesta separation sit. Cum eo plane qui vinum spurcavit vel effudit vel acetum fecit vel alio modo vitiavit, agi posse Aquilia Celsus ait, quia etiam effusum et acetum factum corrupti appellatione continentur

The Lex (Aquilia) says ‘rends’ (ruperit). Almost all the Republican jurists understood the word rend as ‘spoils’ (corruperit). Therefore, Celsus also considers, if you sow darnel or wild oats in another’s crop. Thereby ruining it, the owner – or, if the farm has been leased out, the tenant farmer – can bring not only the interdict (quod vi aut clam), but also an (Aquilian) action in factum, and if the tenant brought it, he should formally promise that there will be no further legal proceedings (against you by the farm owner), obviously so that the owner not trouble (you) further. For (he adds) it is one type of loss to spoil and change an object, thus providing a basis for the lex Aquilia, it is another when, without altering the object, one adds something that makes separation difficult. Celsus says that the Aquilian action can obviously be brought against a person who polluted wine or poured it out or made it sour or otherwise harmed it, for even pouring it out and making it sour are included in the term ‘spoil’

 

 

Footnote.

1

Ulpianus cites Celsus, a jurist not mentioned in the lex Citationum

    

 

The plaintiff’s field of durum wheat is sown by the defendant with darnel, a species of ryegrass. The defendant sows the darnel at night. The plaintiff is absent when the defendant sows. On harvesting, it is impossible to separate the two types of grain. The wheat crop is ruined, with concomitant financial loss. The plaintiff alleges “force and stealth”

 

The plaintiff has two possible courses of action

 

The first course of action is statute law, lex Aquilia: the defendant’s direct physical contact with the plaintiff’s property. A successful statute action allows for award of double damages

 

The alternate action is in factum. The plaintiff cites the Praetor Urbanus, his special “prohibition” concerning res immobiles, that is, land. interdictum, quod vi aut clam, an “interdict as for force or stealth” for wrongful damage

 

Nota bene: The following is plaintiff’s “suggested” cause for action

 

Sowing darnel is malicious. The defendant’s intent may have been to prove the plaintiff should not be awarded a provisioning wheat contract for the Roman Army

 

Guy de la Bédoyère in this work Gladius. The World of the Roman Soldier. The University of Chicago Press, 2020, Page 131 cites the following numbers to feed 10,200 soldiers for one, 45-day period. The assumed allowance per diem, per militem; “by day”, “by soldier” is 64 lb or 29 kg, equates to 441 tons or 448 metric tonnes. Rome’s budget per annum, “by year” for all wheat contracts is several million denarii

 

Nota bene: Ulpianus, a second time, later in life, is asked to comment on spoiled grain supplies. In this instance the additive is sand not darnel. It is difficult to separate sand and grain. The grain is ruined. The obiter dictum states the plaintiff has an action under statute law, lex Aquilia

 

Case X

 

Ulpianus. D.9.2.27.35. libro XVIII ad Edictum. obiter dictum. Property Damage, Faulty Workmanship. lex Aquilia

 

 

Item si tectori locaveris laccum vino plenum curandum et ille eum pertudit, ut vinum sit effusum, Labeo 1 scribit in factum agendum

Likewise, if you contracted with a plasterer to mend a cistern full of wine, and he made a hole in it so that the wine ran out, Labeo writes that the action should be in factum

 

 

Footnote.

1

Ulpianus cites Labeo, a jurist not mentioned in the lex Citationum

    

 

The defendant plasterer fails to correctly mend a cistern full of wine. The wine runs out. The defendant fails to act in the correct manner, id est; stopping the loss of wine through the hole, with resulting physical and economic loss

 

The case is more subtle than it appears. The plaintiff suffers double depletion: the lost wine and an unusable cistern. Statute law, lex Aquilia addresses the defendant’s direct physical contact, the poorly repaired cistern. But statute law is mute regarding the defendant’s indirect contact, the lost wine. Accordingly, Labeo recommends an in factum action to claim pecuniary compensation for both deficits

 

The plaintiff is a shipowner. The defendant sailor fails to correctly moor the ship. The ship slips the mooring and drifts onto rocks. The ship is holed and sinks. An in factum action is recommended

 

Case XI

 

Ulpianus. D.2.27.21. libro XVIII ad Edictum. obiter dictum. Property Damage Versus Property Theft. lex Aquilia

 

 

Si quis de manu mihi nummos excusserit, Sabinus existimat damni iniuriae esse actionem, si ita perierint, ne ad aliquem pervenirent, puta si in flumen vel in mare vel in cloacum ceciderun: quod si ad aliquem pervenerunt, ope consilio furtum factum agendum, quod et antiquis placuit, idem etiam in factum dari posse actionem ait

If someone strikes coins out of my hand, Sabinus thinks that there is an action on wrongful loss if they are lost in such a way that no one receives them (example); if they fall into a river, the sea, or a sewer; but if someone received them, then an action must be brought for aiding and abetting a theft, a view that the Republican jurists shared. He says that (in the first case) an in factum action can also be granted

 

 

Footnote.

1

Ulpianus cites Sabinus, a jurist not mentioned in the lex Citationum

    

 

There is a thin line between property damage and property theft

 

The plaintiff and defendant are standing beside each other. The plaintiff has his hand outward with coins in his palm. By chance, the defendant knocks the plaintiff’s hand. The coins fall into the Tiber River. The coins are not retrieved

 

Here are three similar examples of property loss

 

Two friends are sitting in a boat, one of the two takes the other’s cup and throws the cup into the sea, lost forever

 

Your neighbour unchains your boar. The boar dashes into the forest, never to be seen

 

Your neighbour unchains your slave. The slave runs down the road, never to be found

 

Regarding the lost coins. The action is in factum not statute law. No one gained economic advantage of the coins, that is; no theft occurred. The defendant must pay the plaintiff a sum equal to the value of the lost coins. Property law compensation is cash payment: praemia rei pecuniariae, “a monetary reward for things”

 

Concerning the cup. The action is in factum not statute law. No one gained economic advantage of the cup. The defendant must pay the plaintiff a sum equal to the value of the lost cup

 

Regarding the unchained boar and the unchained slave, under statute law the defendant must pay compensatory value for the loss: pretium magni ex prior anno, “the highest price from the previous year”

 

Case XII

 

Ulpianus. D.2.29.7. libro XVIII ad Edictum. obiter dictum. Property Damage, Performing Official Duties. lex Aquilia

 

 

Magistratus municipals, si damnum iniuria dederint, posse Aquilia teneri. Nam et cum pecudes aliquis pignori cepisset et fame eas necavisset, dum non patitur te eis cibaria adferre, in factum actio danda est. Itemsi dum putat se ex lege capere pignus, non ex lege ceperit et res tritas corruptasque reddat, dictur legem Aquiliam locum habere quod dicendum est et si ex lege pignus cepit. Si quid tamen magistratus adversus resistentem violentius fecerit, non tenebir Aqulilia: nam et cum pignori servum cepisset et ille se suspenderit, nulla datur actio

(A jurist holds) that municipal magistrates can have Aquilian liability if they inflict wrongful loss. For also when a person seized herd animals in execution (of a debt) and killed them by starvation, not allowing you to bring them fodder, an action in factum should be given. Likewise, if he thinks that he seizes in execution on the basis of a statute but does not act on the basis of a statute, and returns the objects worn and spoiled, it is held that the Aquilian law applies; and this should be also held if he seizes in execution on the basis of a statute. But if a magistrate uses some force against a resister, he has no Aquilian liability; for also, when he seized a slave in execution and the slave hanged himself, no action is given

 

 

Footnote.

1

Ulpianus does not cite a jurist

    

 

A Roman public office holder, regarding property damage; observes two principles in performance of his duties:

 

si, qui publicum ius agendi habet, hic actus nullam inuriam habet, “A person who has a public right to act, this act has no outrage”

 

magistratus aliquam immunitatem a litibus iniuriam damno habent, “Magistrates have some immunity from lawsuits of wrongful damage”

 

The obiter dictum states, if the magistrate collects debt, then; it is his duty to collect the debt. Debt collecting is not an outrage

 

The same obiter dictum issues a caveat, a “warning”. Herd cattle are held in payment guarantee of debt, the magistrate is obliged to care for the animals, that is; to provide fodder and water. Failure to care for the animals may result in diminished worth. The herd owner may sue for pecuniary compensation

 

Of the two principles cited in the opening, the second principle exercises the juristic mind, that of magistrate’s immunity from property damage suit while in the performance of duty. Is the case of the seized herd as “straight” forward as it appears?

 

Another duty the magistrate performs is a “fire service”. Specifically, the prevention of catastrophic fire spread, that is, the destruction of an area by flame

 

The magistrate has the duty to demolish a building or buildings to create a firebreak, to prevent further spread

 

Ulpianus wrote the obiter dictum concerning property damage in the performance of duty. Three jurists not cited comment

 

Gallus, a jurist; says the magistrate is liable if the knock-down of the plaintiff’s house violates the Praetor Urbanus prohibition:  interdictum, quod vi aut clam, an “interdict as for force or stealth” for wrongful damage

 

The magistrate’s reply is: exceptio  

 

Nota bene: exceptio is a defence admitting the general allegations of the claim but denying its applicability in the case based on a fact or provision of law that excludes the defendant’s liability

 

Servius, a second jurist; supports the magistrate if he, the magistrate, acts, “…to avert a fire”. Servius further argues, if the plaintiff suffers damages, then recovery is for simple damage (“simple”, the sense of single as opposed to double damage), since inflicted damage is: nullam iniuriam aut damnum, “no damage or injury

 

Labeo, a third jurist; writes, if the house is demolished when there is no fire, but later a fire is present; property damage is assessed not in hindsight but present circumstance

 

Conclusion

 

lex Aquilia is ancient, statute law, known for poor wording and archaic vocabulary. To circumvent statute law’s shortcoming, the verb: rumpere, to rend; the Praetor Urbanus and the jurists give rumpere a wider sense

 

To receive a judgement for pecuniary compensation for property damage statute law has two conditions: firstly; the defendant must have direct physical contact with the plaintiff’s property and secondly; the defendant must cause sufficient physical damage such that the plaintiff’s property is reduced in worth

 

Nota bene: “worth” is the anticipated economic return before sale, “value” is the actual economic return after sale

 

Case VIII, the Court grants an in factum damage to the orchard owner whose crop was not taken to market on market day. No physical damage occurs, but not taking the fruit to market is equivalent to “damage”, therefore; reduced worth

 

Concerning the field sown with darnel, the plaintiff invokes the Praetor Urbanus instrument citing: interdictum quod vi aut clam, an “interdict as for force or stealth”. The defendant’s covert behaviour allows the plaintiff to claim double damages

 

The case of the coins struck from the palm and the cup thrown overboard are similar in that the court rules out theft. No person gains economic advantage from the loss. Concerning the two run-away cases, unchaining is equivalent to “damage”

 

The Court cites pecuniary compensation in accordance with statute law’s formula: pretium magni ex prior anno, “the highest price from the previous year”

 

The magistrate has many duties. One duty is the demolition of a building to create a firebreak. The jurists argue finely the magistrate’s immunity. Equally, if the plaintiff has a claim for property damage, his claim is for simple damage

 

The sole jurist cited for Case XII is Ulpianus. Yet Gallus, Servius and, Labeo each publish own obiter dictum. Two cases, IX and XII cite the Praetor Urbanus. In all, Roman case law is evolving. The law court is lively.

 

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quibus etiam est lex?

Who’s the law for anyway?

                                              Said by those who do not win

 

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