Odoo now lets businesses choose which taxes should be treated as allowance charges and assign the appropriate standard codes when generating UBL electronic invoices. This helps produced e-invoice files better match official requirements, reducing compliance issues with partners or tax authorities.

This commit aims to better align the ubl files generated by Odoo with the official standard by adding the flexibility for users to choose which tax are allowance charges and their accompanied codes.

task: 4660683

Employees using flexible work schedules can now request custom-hour leave without being capped by the average hours per day. This makes time-off requests better match actual flexible working arrangements and reduces unnecessary restrictions for HR and employees.

- when an employees has a flex calendar the custom hours leaves should not be limited to the avg_hours_per_day

Task: 4744248

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The Hong Kong payroll accounting setup has been revised so payroll entries are mapped to the appropriate accounts more accurately. This helps businesses using Hong Kong payroll produce cleaner accounting records and reduces the need for manual corrections.

See also: odoo/odoo#208257