Uncategorized Tax decree and circular guiding the implementation of the new Tax Law effective from 1 January 2015 – Lexology 31 March 201515 views1 min read Tax decree and circular guiding the implementation of the new Tax Law effective from 1 January 2015 – Lexology. Colombia – National Tax Authority rules on VAT discount from income tax Charity Tax Group calls for further postponement of 20 per cent tax on direct mail fundraising