[2][3] Hammond addressed Queen Elizabeth in a short Latin speech when she visited his college on 9 August 1564.
[3] Hammond acted on two commissions in 1577, one with reference to the restitution of goods belonging to Portuguese merchants, and the other concerning complaints of piracy preferred by Scots.
In 1578 he attended the diet of Schmalkalden as a delegate from the English government, and in August 1580 went to Guernsey to investigate charges brought by the inhabitants against Sir Thomas Leighton, the governor.
[3] In the period March 1580 – 1581 Hammond took part in the examination by torture of Thomas Myagh, a prisoner in the Tower, charged with treasonable correspondence with Irish rebels.
In May 1581 he examined Alexander Briant, a Jesuit, under torture in the Tower of London, and later in the year conducted repeated examinations of Edmund Campion, preparing points for discussion out of Nicholas Sander's De Monarchia and Richard Bristow's Motives.