The CGT union said this week that its members at the institution that provides red carpets, furniture and flags for public buildings would snub Sunday’s reception for the King.
More on France
Related Topics:
However, the president’s office said other workers would make the necessary arrangements.
The royals are due to stay in France until 29 March, also visiting the Bordeaux area – where the door of the city’s town hall was set on fire during Thursday’s protests.
Advertisement
Please use Chrome browser for a more accessible video player
0:22
Bordeaux town hall set on fire
Interior minister Gerald Darmanin said on Thursday night that security “poses no problem” for the King’s visit and he would be “welcomed and welcomed well”.
The unions’ announcement of action at the weekend follows a record turnout in Paris against the bill to increase the retirement age from 62 to 64.
Authorities say 119,000 people tuned out – believed to be the biggest demonstration in the capital in the current wave of protests.
The vast majority were peaceful, but police used tear gas to disperse rioters who threw fireworks, petrol bombs and other objects at officers.
At least two fast food restaurants, a supermarket and a bank were attacked.
Across France, more than a million people are said to have joined marches after Mr Macron forced through the law without a vote.
Protests in cities such as Lyon, Nantes, and Rennes also saw outbreaks of violence.
In Lorient, in western France, the courtyard of a police station was set alight and windows smashed, while an administrative building was also attacked.
Strikes linked to the pension changes have also disrupted travel across the country, with demonstrations blocking train stations, major city roads, ports and Paris’s Charles de Gaulle Airport.