The call for regular proposals for PETRA III is published twice a year. The deadline is regularly on 1 March and 1 September of each year.

The next call for regular proposals will be opened 22 January 2019.

• March 15th, 2019 for proposals eliglible for the user period starting from July 1st to December 31st, 2019;
• Protein Crystallography: proposals can be submitted anytime, there is no deadline for the submission and evaluation is monthly.

The next deadline for submission of beamtime applications is April 1st, 2019

The beamtime is split into two 6-months allocation periods corresponding to spring and autumn calls for proposals.
The spring call (deadline for proposal submission: 1st of April) is for experiments to be performed from September of the same year till February the following year.
The autumn call (deadline for proposal submission: 1st of October) is for experiments to be performed from March till August of the following year.

Deadlines

Standard and BAG proposals:

• 1st March (for the period 16th August to 28th February)

• 10th September (for the period 1st March to 15th August).

Long Term Project proposals:

• 15th January each year.