fr-legal-kit

French legal kit for agents: e-invoice obligation calendar (Sep 2026 reform), L441-10 penalties, SIRET/IBAN checksums. Paid x402 USDC on Base.

Skills

• /v1/late-penalties
  French L441-10 late-payment: BCE MRO+10pts interest + 40€ indemnity (D.441-5) from amount_ttc and days_late. Default MRO 2.40% (H2 2026, ECB). No live BCE fetch.
  franceinvoiceL441-10penaltieslegal
• /v1/einvoice-who
  French e-invoice calendar: who must receive (2026-09-01 all) vs emit (GE/ETI 2026, PME/micro 2027). Size in, dates out. No registry lookup.
  francee-invoicefacture-electroniquepdp2026
• /v1/check-siret
  SIRET/SIREN checksum (Luhn / La Poste). Does not call INSEE.
  francesiretluhnchecksum
• /v1/check-iban
  IBAN ISO 13616 checksum. Does not prove the account exists.
  ibanchecksumpayments
• /v1/due-date
  French invoice due date: invoice_date + net_days (calendar). Also next_open_day skipping weekends + L.3133-1 holidays 2026–2027. No live calendar fetch.
  franceinvoicedue-datejours-feries
• /v1/tva-rate
  Indicative FR VAT rate table: standard 20 / intermediate 10 / reduced 5.5 / super_reduced 2.1 / exempt. Not a tax ruling.
  francetvavatcgi
• /v1/holidays
  French metropolitan public holidays for 2026 or 2027 (C. trav. L.3133-1). Optional Alsace-Moselle extras. No live fetch.
  francejours-feriescalendarinvoice
• /v1/payment-term-max
  Statutory ceiling on agreed FR B2B payment terms: 60 days after invoice issue, or 45 days end-of-month if stipulated (L441-10 I). Not a recommended term.
  franceinvoiceL441-10payment-terms
• /v1/mention-fields
  Checklist of French invoice/quote legal mention fields (L441-9, L441-10, 293 B). JSON in, list of required ids out. No lookup.
  franceinvoicementions293BL441-9
• /v1/vat-key
  French intra-community VAT identifier from SIREN: FR + 2-digit key + SIREN. Key = (12 + 3*(siren%97))%97 (CGI 286 ter). Not a VIES proof.
  francetvavatsiren286ter
• /v1/penalty-text
  Statutory L441-10 / D.441-5 invoice mention strings (rate BCE MRO+10 pts + 40 € indemnity). No amount required. Default MRO 2.40% H2 2026.
  franceinvoiceL441-10mentionspenalties
• /v1/franchise-293b
  CGI 293 B franchise-en-base 2026 thresholds (services 37 500/41 250, goods 85 000/93 500) plus the statutory invoice mention. 25 000 € unique threshold was abandoned. Not a tax ruling.
  francetva293Bfranchiseinvoice
• /v1/dunning-steps
  Suggested FR B2B dunning calendar after the due date (J+1 / J+8 / J+15). L441-10 penalties accrue without a reminder. Usage, not a statutory timetable.
  franceinvoicedunningrelanceL441-10
• /v1/open-days
  Inclusive count of French metropolitan open days between two dates (skip Sat/Sun + L.3133-1 holidays 2026–2027). Optional Alsace-Moselle extras.
  francecalendarjours-ouvresjours-feries
• /v1/invoice-numbering
  French invoice numbering helper (C. com. L441-9): unique chronological sequence, no gaps. Returns next number from last_number plus the statutory rules.
  franceinvoiceL441-9numbering
• /v1/amount-words
  French amount in words for invoices (douze euros et quarante centimes). Traditional hyphenation. Not a statutory mention.
  franceinvoicemontantlettres
• /v1/alsace-holidays
  Alsace-Moselle extra public holidays (Good Friday + St Stephen) plus the combined 2026–2027 calendar. In addition to L.3133-1 metropolitan days.
  francealsacemosellejours-feriescalendar
• /v1/due-date-eom
  French 45-days-end-of-month due date (L441-10 I derogation). Statutory reading: 45 days after month-end of the invoice. Alternate usage: +45 then EOM. Must be stipulated.
  franceinvoiceL441-10due-datefin-de-mois
• /v1/ht-ttc
  French HT ↔ TTC using CGI indicative rates (20 / 10 / 5.5 / 2.1 / 0). Pass exactly one of amount_ht or amount_ttc. Not a tax ruling.
  francetvainvoicehtttc
• /v1/days-late
  Calendar days late from due_date to as_of (L441-10 periods are calendar). Also accepts invoice_date + net_days. Feed days_late into /v1/late-penalties.
  franceinvoiceL441-10latecalendar
• /v1/siren-from-siret
  Split a French SIRET into SIREN + NIC, checksum both (Luhn / La Poste), and compute the CGI 286 ter VAT key. No INSEE lookup.
  francesiretsirenvatchecksum
• /v1/quote-validity
  French quote (devis) validity calendar. Default 30 days from quote_date. Commercial usage, not L441-9. Returns expiry and a collable mention.
  francedevisquotevalidity
• /v1/ape-naf
  French APE/NAF rev.2 format check: 4 digits + 1 letter (62.01Z). No INSEE lookup of the label.
  franceapenafinvoicechecksum
• /v1/postcode-fr
  French 5-digit postcode: department prefix (Corsica 2A/2B, overseas 97x). No address lookup. Flags Alsace-Moselle 57/67/68.
  francepostcodeinvoiceaddress
• /v1/legal-form
  Extra French invoice mentions by legal form (EI/micro vs SARL/SAS/SA/SCI): EI quality, 293 B, capital, RCS. On top of /v1/mention-fields.
  franceinvoicementionseisasL441-9
• /v1/iban-fr
  French IBAN structure: 27 chars, bank/branch/account/RIB key, plus ISO 13616 checksum. Does not prove the account exists.
  franceibanpaymentsrib
• /v1/credit-note
  French credit note (avoir): next number in a dedicated AV- sequence, collable CGI 289 mention referencing the original invoice, optional HT/TTC reversal. Does not reuse the cancelled invoice number (L441-9).
  franceinvoiceavoircredit-noteL441-9CGI-289
• /v1/phone-fr
  French phone format (ARCEP numbering plan): 10-digit national or +33/0033 → E.164, grouped mention, kind mobile/geo/voip/overseas. No subscriber lookup.
  francephoneinvoicee164arcep
• /v1/capital-social
  French share-capital invoice mention for sociétés (SAS/SARL/SA/SCI): 'au capital de 1 000,00 €', optional variable capital. EI/micro have no capital. Format only, not a Kbis.
  franceinvoicecapitalsassarlL441-9
• /v1/rcs-mention
  French RCS invoice mention: 'RCS Pau 404 833 048' from greffe city + SIREN/SIRET. Format only, not a Kbis lookup.
  franceinvoicercsgreffeL441-9
• /v1/invoice-currency
  French invoice currency: EUR is legal tender. Foreign ISO 4217 (USD/GBP/CHF/CAD/JPY) allowed; VAT is expressed in euros. Offline subset, no FX rate.
  franceinvoicecurrencyeurtva
• /v1/escompte
  French invoice early-payment discount mention (L441-9 / L441-10): collable 'Pas d'escompte pour paiement anticipé.' or 'Escompte de X % pour paiement sous N jours.'
  franceinvoiceescompteL441-10L441-9
• /v1/acompte
  French down-payment (acompte) invoice: next AC- number, 30% default or explicit %, remaining TTC, collable CGI 289 mention. Own L441-9 sequence.
  franceinvoiceacompteL441-9CGI-289
• /v1/date-fr
  French invoice date format: YYYY-MM-DD → JJ/MM/AAAA, weekday, long form, collable 'Date de facture : …'. L441-9 emission date.
  franceinvoicedateL441-9
• /v1/payment-means
  French invoice means-of-payment mention (L441-9): virement, chèque, CB, espèces, prélèvement, LCR. Default virement. Collable string.
  franceinvoicepaymentvirementL441-9
• /v1/interest-start
  L441-10: calendar day late-payment interest starts (the day after the due date), without a reminder. Accepts due_date or invoice_date + net_days.
  franceinvoiceL441-10penaltiesdue-date
• /v1/siege-social
  French siège social invoice mention (L441-9): street + postcode + city, department prefix, Alsace-Moselle flag. Format only, not a Kbis.
  franceinvoiceadressesiegeL441-9
• /v1/net-a-payer
  French invoice footer: HT / VAT / TTC plus collable 'Net à payer : 1 200,00 €'. Same CGI rates as /v1/ht-ttc. Pass exactly one of amount_ht or amount_ttc.
  franceinvoicetvattcnet-a-payer
• /v1/doc-title
  CGI 289 document title: Facture, Avoir, Facture d'acompte, Note d'honoraires (still an invoice), or Devis (not L441-9). Optional number → 'Facture n° …'.
  franceinvoicecgi-289honorairesdevis
• /v1/autoliquidation
  French reverse-charge VAT mention (autoliquidation): intra-EU CGI 283, construction 283-2 nonies, or import. Invoice shows HT; VAT due by the customer.
  francetvaautoliquidationcgi-283invoice
• /v1/eori
  French EORI format: FR + SIREN (legal entity). From a SIRET also returns FR+SIRET establishment form. Format only, no customs lookup.
  franceeoricustomssireninvoice
• /v1/duplicata
  French invoice duplicata: same original number stamped DUPLICATA. Not a new L441-9 number and not a credit note. Collable 'Ne pas comptabiliser une seconde fois.'
  franceinvoiceduplicataL441-9CGI-289
• /v1/rm-mention
  French artisan RM invoice mention: 'RM Pau 404 833 048' from city + SIREN/SIRET. Format only. RNE replaced RM for new filings in 2023; invoice usage still shows RM.
  franceinvoicermartisanL441-9
• /v1/buyer
  French invoice buyer identification (L441-9): client name + optional SIRET/SIREN + city. B2C may omit SIRET. Format only.
  franceinvoiceclientsiretL441-9
• /v1/unit
  French invoice line unit of measure (L441-9): heure, jour, mois, forfait, unité, kg, m². Optional qty with plural. Format only.
  franceinvoiceunitequantiteL441-9
• /v1/cgv
  French CGV invoice mention (C. com. L441-6): 'Nos conditions générales de vente s'appliquent.' Optional URL. A mention does not replace prior communication to the professional buyer.
  franceinvoicecgvL441-6
• /v1/reserve-propriete
  French retention-of-title invoice clause (C. com. L.624-16): goods remain the seller's until full payment. Not for pure services.
  franceinvoicereserve-proprieteL624-16
• /v1/garantie-legale
  French legal warranty of conformity (C. conso L.217-3): 2 years from delivery for consumer goods. Does not apply to professional buyers. Optional delivery_date → expiry.
  franceconsogarantieL217-3invoice
• /v1/mediateur
  French consumer mediator mention (C. conso L.612-1). Required for B2C. Pass name + url of the designated mediator. Does not apply to professional buyers.
  franceconsomediateurL612-1invoice
• /v1/delivery
  French invoice date of supply (CGI 289 / 242 nonies A): delivery or service execution vs invoice date. Distinct dates get an explicit mention.
  franceinvoicelivraisonCGI289242-nonies-A
• /v1/line
  French invoice line (L441-9): designation + optional quantity/unit + unit price HT. Format only, no line-total math.
  franceinvoicelineL441-9
• /v1/page
  French multi-page invoice footer: Page X/Y. Sequential pages of one invoice (L441-9 numbering is the invoice number, not the page).
  franceinvoicepageL441-9
• /v1/retractation
  French 14-day consumer withdrawal (C. conso L.221-18 / L.221-19). Services: from contract date. Goods: from delivery. Does not apply to professional buyers.
  franceconsoretractationL221-18invoice
• /v1/conservation
  French invoice retention: 10 years commercial (C. com. L123-22) and 6 years tax (LPF L102 B) from the invoice date.
  franceinvoiceconservationL123-22archive
• /v1/prescription
  French limitation period for an unpaid invoice: 5 years B2B (C. com. L110-4) or 2 years against a consumer (C. conso L.218-2), from the due date.
  franceinvoiceprescriptionL110-4L218-2
• /v1/garantie-commerciale
  French commercial warranty mention (C. conso L.217-21), distinct from the 2-year legal warranty. Optional months + delivery_date → expiry.
  franceconsogarantieL217-21invoice
• /v1/export
  French VAT exemption mention: extra-EU export CGI 262 I, or intra-EU supply CGI 262 ter I. Distinct from reverse-charge /v1/autoliquidation.
  francetvaexportCGI262invoice
• /v1/proforma
  French pro forma header: this document is not an invoice (CGI 289). Optional number.
  franceinvoiceproformaCGI289
• /v1/jours-francs
  French jours francs (C. proc. civ. 642): start day excluded; Saturday/Sunday/holiday rolls to the next open day. Métropole holidays 2026–2027.
  francedelaifrancsCPC642invoice
• /v1/clause-penale
  French contractual penalty clause (C. civ. 1231-5). Optional amount. Distinct from statutory L441-10 late-payment.
  francecontratpenale1231-5invoice
• /v1/periode
  French invoice billing period for continuous services (CGI 289): from + to dates as a collable mention.
  franceinvoiceperiodeCGI289
• /v1/autofacturation
  French self-billing stamp (CGI 289): the word Autofacturation on each invoice. Optional seller name. Prior agreement is the buyer's problem.
  franceinvoiceautofacturationCGI289
• /v1/rgpd
  French invoice personal-data footer: RGPD art. 6.1.b/c legal bases + 10-year keep (C. com. L123-22). Optional controller name.
  francergpdinvoiceprivacy
• /v1/langue
  French invoice language mention: Toubon 94-665 for B2C in France; B2B defaults to French for tax control.
  francelanguetouboninvoice
• /v1/commande
  French invoice purchase-order reference (number + optional date). Usage for identifying the operation (L441-9).
  franceinvoicecommandeL441-9
• /v1/debours
  French disbursements (débours): paid in the client's name, out of the VAT base (CGI 267). Optional amount + label.
  francetvadeboursCGI267invoice
• /v1/arrhes
  French arrhes (C. civ. 1590), distinct from acompte: buyer forfeits, seller returns double. Requires amount_eur.
  francecontratarrhes1590invoice
• /v1/prorata
  Calendar prorata of a monthly HT amount over an inclusive from/to window (days / days in the start month).
  franceinvoiceproratacalendar

How to call

https://fr-legal-kit.monnet-yanis1.workers.dev/a2a

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