The Central Goods and Services Tax (Eighth Amendment) Rules, 2021.

Any person, claiming refund under section 77 of the Act of any tax paid by him, in respect of a transaction considered by him to be an intra-State supply, which is subsequently held to be an inter-State supply, may, before the expiry of a period of two years from the date of payment of the tax on the inter-State supply, file an application electronically in FORM GST RFD-01 through the common portal, either directly or through a Facilitation Centre notified by the Commissioner.

Income-tax (30th Amendment) Rules, 2021

An eligible assessee has entered into an eligible international transaction and the option exercised by the said assessee is valid, the transfer price declared by the assessee in respect of such transaction shall be accepted by the income-tax authorities, if it is in accordance with the circumstances provided in the rule. The amendment has extended the applicability of these safe harbor provisions for assessment years 2020-21 and 2021-22.