account_payment_term_extension

Purpose

Extends Odoo payment terms with advanced scheduling, rounding, and holiday management options.

Features

account.payment.term: Enables sequential due date computation by chaining each line's calculation when the sequential_lines option is activated.
account.payment.term: Applies holiday postponement rules to due dates when a scheduled payment falls on a configured holiday.
account.payment.term.line: Allows specifying permitted payment days so due dates shift to the closest allowed day.
account.payment.term.line: Adds optional amount rounding to percentage-based installments.
account.payment.term.line: Introduces a percent-on-untaxed value type so installments can be based on untaxed amounts.
account.payment.term.line: Offers week- and month-based delay types in addition to days, governed by the company setting.
account.payment.term.holiday: Maintains holiday postponement entries with validations to avoid duplicates and ensure future effective dates.
res.company: Stores the company-wide selection of available delay types for new payment terms.
res.config.settings: Exposes the delay type selection in accounting settings for administrators to adjust.