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account_do/doc/tax_validation.rst
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José Arturo García 29e987520d Update Dominican withholding catalog
Apply the Article 309 rates introduced by Law 30-26 with dated historical templates and rules. Complete tax-code reversals, improve English terminology, harden migrations, and expand structural and functional tests.
2026-08-10 09:10:05 -04:00

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Tax Template Validation Register
================================
Purpose and Status
------------------
This register makes the review population explicit and prevents a tax template
from being added without appearing in the functional documentation. The module
test suite checks that the identifiers below exactly match the XML.
``Documented`` means that the template has an identified statutory or regulator
source, an accounting direction and a stated functional boundary. It does not
mean that a software author has issued a Dominican tax opinion. Professional
sign-off remains a release-governance control because legal authority and
professional responsibility cannot be created by code or automated tests.
General ITBIS
-------------
* ``do_tax_itbis_18_venta`` — general 18% output ITBIS.
* ``do_tax_itbis_16_venta`` — 16% output ITBIS, restricted to article 345 goods.
* ``do_tax_itbis_18_compra`` — potentially creditable 18% input ITBIS.
* ``do_tax_itbis_16_compra`` — potentially creditable 16% input ITBIS on article 345 goods.
* ``do_tax_itbis_exento`` — operations covered by articles 343 and 344.
* ``do_tax_itbis_tasa_cero`` — zero-rated exports and qualifying free-zone operations.
ITBIS Withholdings
------------------
These templates are manual selections. Party status and the legal nature of
the service must be established outside the tax rule.
* ``do_tax_ret_itbis_30`` — 30% of 18% ITBIS, represented as -5.4% of base.
* ``do_tax_ret_itbis_100_inf`` — 100% of 18% ITBIS on qualifying services.
* ``do_tax_ret_itbis_75_inf`` — 75% of 18% ITBIS, represented as -13.5%.
* ``do_tax_ret_itbis_75_inf_16`` — 75% of reduced 16% ITBIS, represented as -12%.
* ``do_tax_ret_itbis_100_goods_18`` — 100% of 18% on qualifying informal purchases.
* ``do_tax_ret_itbis_100_goods_16`` — 100% of reduced 16% on qualifying purchases.
* ``do_tax_ret_itbis_rst_18`` — 100% of 18% for a qualifying RST operation.
* ``do_tax_ret_itbis_rst_16`` — 100% of reduced 16% for a qualifying RST operation.
* ``do_tax_ret_itbis_insurance_100`` — insurance-sector withholding.
* ``do_tax_ret_itbis_airline_100`` — BSP/IATA airline withholding suffered.
* ``do_tax_ret_itbis_society_30_suf`` — 30% withholding suffered from a company.
* ``do_tax_ret_itbis_hotel_100`` — hotel commission withholding suffered.
* ``do_tax_ret_itbis_state_100`` — state-entity withholding suffered.
ISR Withholdings
----------------
* ``do_tax_ret_isr_hon_5`` — 5% legal-entity service case.
* ``do_tax_ret_isr_serv_10`` — historical 10% natural-person professional service case through 30 June 2026.
* ``do_tax_ret_isr_serv_15`` — 15% services provided by individuals from 1 July 2026.
* ``do_tax_ret_isr_div_10`` — 10% dividends and distributed profits.
* ``do_tax_ret_isr_int_10`` — 10% interest paid to a natural person.
* ``do_tax_ret_isr_alq_10`` — historical 10% qualifying rent through 30 June 2026.
* ``do_tax_ret_isr_alq_15`` — 15% rentals provided by individuals from 1 July 2026.
* ``do_tax_ret_isr_est_15`` — historical or specific 1.5% public-sector case.
* ``do_tax_ret_isr_est_5`` — 5% public-sector payment case.
* ``do_tax_ret_isr_bovine_1`` — 1% qualifying bovine purchase from an unregistered natural person.
* ``do_tax_ret_isr_exporter_25`` — 2.5% qualifying local sale by an exporter.
* ``do_tax_ret_isr_int_pj_1`` — 1% interest paid to a legal entity.
* ``do_tax_ret_isr_premios_25`` — 25% qualifying lottery, raffle or draw prize.
* ``do_tax_ret_isr_premios_10`` — historical 10% qualifying prize band through 30 June 2026.
* ``do_tax_ret_isr_premios_15`` — historical 15% qualifying prize band through 30 June 2026.
* ``do_tax_ret_isr_betting_15`` — 15% betting prizes from RD$200,001 through RD$600,000 from 1 July 2026.
* ``do_tax_ret_isr_tragamonedas_10`` — historical 10% slot-machine prize case through 30 June 2026.
* ``do_tax_ret_isr_tragamonedas_15`` — 15% slot-machine prizes from 1 July 2026.
* ``do_tax_ret_isr_other_income_10`` — historical 10% residual income case through 30 June 2026.
* ``do_tax_ret_isr_other_income_15`` — 15% income not expressly covered from 1 July 2026.
* ``do_tax_ret_isr_ext_27`` — 27% qualifying payment abroad not governed by a special rate.
* ``do_tax_ret_isr_ext_15`` — 15% royalties or rights, software licences, online advertising and data use or storage paid abroad from 1 July 2026.
* ``do_tax_ret_isr_ext_10`` — 10% qualifying interest paid abroad.
Selective and Sector Charges
----------------------------
* ``do_tax_isc_bebidas_alc`` — 10% alcohol ad-valorem component; specific amount excluded.
* ``do_tax_isc_tabaco`` — 20% tobacco ad-valorem component; specific amount excluded.
* ``do_tax_isc_telecom`` — 10% telecommunications ISC.
* ``do_tax_isc_combustibles_16`` — 16% fossil-fuel charge.
* ``do_tax_isc_avtur_65`` — 6.5% qualifying Avtur charge.
* ``do_tax_isc_fuel_rd2_gallon`` — fixed RD$2 per qualifying gallon.
* ``do_tax_ret_isc_insurance_100`` — insurance-sector ISC withholding.
* ``do_tax_isc_vehiculos`` — 17% first-registration charge on CIF, not ISC despite the stable legacy identifier.
* ``do_tax_cdt_indotel`` — 2% telecommunications development contribution.
Other Charges
-------------
* ``do_tax_propina_10`` — 10% legal tip under Labour Code article 228.
* ``do_tax_cheques_015`` — 0.15% bank charge through 2 July 2026.
* ``do_tax_cheques_020`` — 0.20% bank charge from 3 July 2026.
* ``do_tax_activos_1`` — manual accounting of the annual 1% asset-tax assessment.
* ``do_tax_iti_3`` — manual accounting of the 3% real-estate transfer assessment.
Rejected Templates
------------------
The following cases are intentionally absent:
* 8% ITBIS: transitional 2013 rate, not appropriate for a newly created chart;
* 9% ITBIS: no precise current primary source and taxable event established;
* 2% acquirer withholding: payment-based and conditional, so an invoice-base
percentage would be materially misleading;
* vehicle CO2 charge: its rate depends on vehicle emissions;
* changing specific alcohol and tobacco amounts: maintained by DGII tables and
unsuitable as undated static data.
Sign-off Record
---------------
For an upstream submission, record the reviewer name, professional capacity,
review date and source versions in the merge request. Until that occurs, the
correct claim is “complete documented technical review”, not “certified tax
advice”.