This service that enables each taxpayer who disposes of real estate located in the state, or disposes of shares, ownership shares and any tangible or intangible assets for an activity practiced in the state and is not included in the budget, to submit a capital gains declaration. This must be submitted within 30 days from the date of disposal of assets conclusion of the contract or, whichever comes first. The taxpayer can also use this service to amend the submitted capital gains tax return.