Dr. Phan Thanh Hải, Director of the Huế Monuments Conservation Centre, at the end of the Nguyễn dynasty period the Purple Forbidden City in Huế contained a total of 93 jade and gold seals of which 2 seals were from the Nguyễn lords period. The government of the Republic of China in Taiwan has continued to use traditional square seals of up to about 13 centimetres, known by a variety of names depending on the user's hierarchy. Part of the inaugural ceremony for the President of the Republic of China includes bestowing on them the Seal of the Republic of China and the Seal of Honor. In China, the Seal of the People's Government of the People's Republic of China was a square bronze seal with side length of 9 centimetres. Its inscription reads "Seal of the Central People's Government of the People's Republic of China". Notably, the seal uses the relatively modern Song typeface rather than the more ancient seal scripts, and the seal is called a yìn (), not a xǐ (). Government seals in the People's Republic of China today are usually circular in shape, and have a five-pointed star in the centre of the circle. The name of the governmental institution is arranged around the star in a semicircle – a form also adopted by some company chops. Government officials Government bureaucrats would receive office seals that served as a status token of both their office and authority. These government office seals tended to be small enough in size that they could be carried by the official on their belts. Unlike imperial seals and other seals of high office which were known as xi (璽); lower seals of rank and appointment were known as yin (印). Throughout history different regulations existed for these office seals that would prescribe what materials should be used (copper-alloys or gold) and how their seal knobs should be shaped (some with a handle in the shape of a turtle, some of a camel). Until the Eastern Han dynasty period government regulations stipulated that the ink used to affix official seals had their colours determined based in the rank of the official in question, with various colours such as green, purple, yellow, Etc. Throughout Chinese history the calligraphy used for government office seals changed in radical ways. By the Han dynasty period the inscriptions of office seals tended to become thicker and