Sir,
If the invoice is issued in June 2021 it will be reflected in GSTR-1 of June 2021. Since you are removing the goods in July 2021 it is advisable to cancel the June invoice and issue a fresh invoice in July 2021because according to Section 31 (1) of CGST Act, 2017 "a registered person supplying taxable goods shall, before or at the time of,-
(a) removal of goods for supply to the recipient, where the supply involves movement of goods; or
(b) delivery of goods or making available thereof to the recipient, in any other case,
issue a tax invoice showing the description, quantity and value of goods, the tax charged thereon and such other particulars as may be prescribed: