The phrase "accept participation" is correct and usable in written English.
It can be used when referring to the act of allowing or welcoming someone to take part in an event, activity, or process.
Example: "We are pleased to accept participation from all interested candidates for the upcoming workshop."
Alternatives: "welcome involvement" or "allow participation".
As we received endorsement from the board of directors, the nurse directors and the workers' counsel to perform the study, the likelihood for the departments to accept participation is high and all departments are expected to participate.
However, the favorable terms were one way Commerzbank was persuaded to accept participation in the first place.
Are there Taliban leaders who can accept participation in a peaceful, constitutional Afghanistan where the government does not conform to its (the Taliban's) ideology?
Question marks remain over whether Israel, still maintaining an air and sea blockade of Lebanon, will accept participation in the UN force of Muslim countries such as Indonesia and Bangladesh which do not have diplomatic relations with the Jewish state.
Treasury Secretary Henry Paulson effectively compelled the leading U.S. banks to accept participation in the program.
One-third of the practices are expected to accept participation.
A total of 865 GPs were invited to participate; 240 (28%) GPs accepted participation and 165 GPs (19%) ended up recruiting parents and children for the study.
Subjects who accepted participation in the interview were 684 participants.
Of the 369 potential participants who were approached, 134 accepted participation, and a total of 39 online focus group discussions were held.
These subjects were excluded from the original 1723 in the baseline study, which left 1687 eligible participants, of whom 889 (52.7%) accepted participation.
A total of 214 lesbian couples (428 individuals) that started treatment with sperm donation were approached to participate in the study, 166 couples accepted participation and individually completed a questionnaire at the start of treatment.
